MODERN PHYSICS - 7 - video Dailymotion

Name: MODERN PHYSICS - 7
Uploaded: 2025-09-29T11:59:23+00:00
Duration: 1 h 24 min 22 s
Channel: JACK
Description: EDUCATION

JACK

7 hours ago

EDUCATION

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00:00:00foreign

00:00:14foreign

00:00:18photoelectric effect k elp2

00:00:20nikaal away

00:00:24x

00:00:26elp2

00:00:28E lp2 में एक से लेकर One to seven. Photo electric effects E lp2. One to seven में कोई डाउट ?

00:00:451 to 15 में कोई डाउट ?

00:00:5310th

00:00:5610th number

00:01:1310th number

00:01:15laser light DIY

00:01:165 milliwatt

00:01:195 milliwatt

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00:01:48I am going to get the incident energy of the incident energy of the photon, or H new, or H C by lambda.

00:01:57The question is P, and the number of photons per second is the combined question.

00:02:03The hand value is 5 into 10 to the power 24, P into lambda.

00:02:08How much is this value? 8 into 10 to the power 15.

00:02:125 into 10 to the power minus 24, P value is 5 milliwatts.

00:02:18Here is lambda.

00:02:20Here is lambda.

00:02:22Here is 21.

00:02:24Here is 10 to the power minus 6.

00:02:27Here is 8 upon 25.

00:02:30Here is 100 to the power minus 6.

00:02:33Here is this value.

00:02:36Now, this value is 4.

00:02:37Here is 32 into 10 to the power minus 8 meter, or 300 to the power minus 8.

00:02:43Now, this value is lambda.

00:02:47So, this value is lambda.

00:02:49So, the incident of photon energy is 12400 upon me, 32.

00:02:53So, here is how much value is this value?

00:02:56Awesome.

00:02:57He's 4.

00:02:59Okay, if that value is 120 it is 가격 higher, that's 4.

00:03:01The value is to the power minus 6 of alpha is bigger.

00:03:03It does look likeтора관.

00:03:05Otherwise, from 2 of working technique for 8, the power minus 4 dimin стор velocity is 1 and 0.

00:03:08If that's how 4 of arbeiten is of 9 meter, then the power minus 3 percent is over 9,

00:03:09the power minus 7, the power chorus isiantly 0.

00:03:14Which is the power of 9 meter because of star wastewater vape sine.

00:03:15nowadays of the power charge is 100 scalar energy.

00:03:16This powerhalf is of 2 and a power HVL wafko One X.

00:03:18potential 2.1

00:03:2011 number

00:03:27में दिया हुआ है threshold frequency

00:03:29जो है metallic

00:03:30surface जिसकी energy इतनी है

00:03:33वो metallic surface

00:03:34corresponding to energy of इतना

00:03:36and stopping potential

00:03:38for a radiation incident

00:03:41इतना, अच्छा stopping potential

00:03:43आया है

00:03:4311 number, stopping potential है

00:03:465 volt, इससे क्या पता चला?

00:03:49वह maximum kinetic energy

00:03:51electron की 5 electron volt

00:03:53रही होगी

00:03:53तो उसने बोला कि incident radiation

00:03:57किस range में रहती है, ultraviolet,

00:03:59visible, infrared, यह जो सब दिया हुआ है

00:04:01इस में से, तो यार

00:04:02question में क्या दिया हुआ है, ध्यान से सुने

00:04:05अब wavelength अगर पता हो

00:04:07तो यह वाला question कर सकते हैं

00:04:08यह वह हम बना देते हैं अभी

00:04:10threshold frequency जो दिये हुई है, उसके corresponding energy

00:04:136.2 है, यार इसका मतलब क्या है?

00:04:17यह वाली value कितनी है?

00:04:185

00:04:19तो 5 की value आगई energy 6.2

00:04:21अरे यार इन दोनों से

00:04:23क्या incident की 11.2 आया होगा?

00:04:26incident 11.2 आया होगा, तो यार

00:04:29lambda की value

00:04:3012,400 अपोन में energy

00:04:33अरे इसको इधर ले जाते, इधर ले जाते

00:04:36तो formula बनी जाता, तो यहां से

00:04:38एंगस्टोन में लगबग कितना आ रहा है?

00:04:43अरे 12,400, अच्छा, बाग्यारा मान लो

00:04:46तो हजार लगबग

00:04:48और 11 होता लगबग

00:04:521000

00:04:531000 होता यारी कि 1000 के आसपास

00:04:561000 के आसपास

00:04:581000 एंगस्टोन

00:04:59अच्छा, विजिबल के बारे में बात करते हैं

00:05:02विजिबल

00:05:03विजिबल जो है, वो 400 से

00:05:06या भी 4000 से

00:05:087000

00:05:09अच्छा, इधर जाएंगे, तो

00:05:11ultraviolet, visible, infrared, micro radio

00:05:15तो infrared का तो इससे भी ज़्यादा आएगा

00:05:17लेकिन यह तो कम है, यानि

00:05:19की infrared नहीं होगा

00:05:21visible भी नहीं होगा

00:05:23अच्छा, अब आब आरे पास में ऑप्शन में

00:05:25दो बच्छे में, ultraviolet और X-ray

00:05:27X-ray की value बहुत छोटी होती है

00:05:291.1 से

00:05:31लगबग 10 या 100

00:05:33angstron के बीच में होता है

00:05:34यह X-ray होता है, जब X-ray पढ़ेंगे

00:05:37इस topic में तबायाएगा, तो इसका

00:05:38मतलब यह ultraviolet वाल लिए

00:05:401.2.15 तक

00:05:45X से लेकर

00:05:4715 के बीच में

00:05:4812, 10 होगे

00:05:5111 होगे, अब 12 भी आगया

00:05:52100 angstron से लेकर

00:06:004000 तक

00:06:01कहीं 100 तक

00:06:08soft और hardness के according कभी

00:06:10इस दस्तक होती कभी 100 तक होती है

00:06:1112 नमबर देखे, collector plate का

00:06:15potential emitter के respect में

00:06:182 volt रखा हुआ है

00:06:19याद होता है, यहाँ पर यह collector plate होती थी

00:06:22और यहाँ पर यह emitter होती थी

00:06:23और इसका potential plus 2 रखा है

00:06:26इसके respect में, यानि कि बैटरी

00:06:27यह 2 volt की जोड़ी थी

00:06:29plus वाला, इसका मतलब यह है

00:06:32next देखे, light जो है

00:06:34वो हमने emitter पर डाला है

00:06:36200 nanometer, 200 nanometer यानि कि

00:06:382000 एंक्सों और 2000 एंक्सों की डाली है

00:06:41यानि कि energy कितनी आएगी

00:06:4212,400 अपन

00:06:44200 nanometer नहीं, 2000 एंक्सों

00:06:46कितना है, 6.2

00:06:496.2 वालाइस पर डाल दिया

00:06:50इसके बाद में बोला जा रहा है

00:06:52कहां गया

00:06:53work function 4.5 है

00:06:55तो maximum और minimum kyanating energy

00:06:58जो आप अने वर्बली भी बताया थे

00:07:01अच्छा अगर यह battery नहीं होती

00:07:03यह अगर होती ही नहीं

00:07:05तो यह यहाँ पर यह कितना आ रहा है

00:07:076.2

00:07:09work function कितना है

00:07:101.45

00:07:114.5

00:07:13तो difference कितना है

00:07:141.5

00:07:15तो electron जो है उसकी kyanating energy

00:07:180 से 1.7 electron volt तक रहती

00:07:21difference के current

00:07:22लेकिन जैसे यह आया

00:07:24तो इसने क्या किया होगा

00:07:25kyanating energy और बढ़ाई होगी

00:07:27तो यह जीरो वाले की 2 से बढ़ाई होगी

00:07:29आच्छा कितनी electron volt दे गई है

00:07:312 electron volt क्योंकि बैटरी कितना है कि

00:07:332 की

00:07:33तो इसने दोर बढ़ाया होगा तो

00:07:35यह 2 electron volt हो जाएगा

00:07:36दोर बढ़ाया होगा तो

00:07:383.7

00:07:39तो minimum 2 electron volt maximum 3.7

00:07:41यह बताया था हमने

00:07:4220 तक

00:07:4619 नमबर देखे

00:07:5220 तक पूछ रहा हूँ

00:07:53देख लो बाकी जिसको भी अच्छा लग रहा है कि

00:07:55हाँ हाँ यह पूछ लेते है

00:07:5690 नमबर

00:07:59frequency और intensity of light source

00:08:02दोनों डबल किये हैं

00:08:04यार यह वो गुवाने वाला क्योश है

00:08:05intensity की value

00:08:08NH new by A

00:08:10यह भी डबल किया है और यह भी डबल किया है

00:08:12यानि कि यह

00:08:13constant

00:08:14बतब photons जो गिर रहे हैं वो fix है

00:08:17तो बोला जा रहा है इन में से कौन सा

00:08:19statement

00:08:20saturation current remains the almost same

00:08:23और नमबर of photons

00:08:25change नहीं हो रहे हैं

00:08:27तो number of electron भी change नहीं होंगे

00:08:29और number of electron चीज नहीं होंगे

00:08:31तो saturation current change नहीं होगा

00:08:33सही लग रहा है है

00:08:34maximum kinetic energy of photo electron

00:08:37is double

00:08:37अगर

00:08:40frequency double करते हैं

00:08:43तो maximum kinetic energy double

00:08:45से ज़्यादा

00:08:46यह भी गलत है

00:08:4724 तक

00:08:5627 तक total

00:09:0125

00:09:07अभी

00:09:08थोड़ा से अभी कुछ भी पूछ ले उट पटांग दुवस

00:09:12current और अच्छा फर्स वर्ड लिखा हुआ है

00:09:17point source

00:09:19point source में current के बारे में बोल रहा है कि current की value

00:09:24से जो आई है अच्छा कर्व में saturation current है यानि कि maximum current है

00:09:31अच्छा क्या maximum current जो होता है saturation current वो intensity के प्रपोर्शन होता है

00:09:36और यह एन एच नियू अपॉन में ए यह frequency कहीं चेंज नहीं कर रहा है क्योंकि उसने source

00:09:41नहीं किया है तो distance अच्छा क्या यह distance के point source तो इस पर पावर वन इस पर पावर टू क्या ग्राफ बनेगा

00:09:50हाई पर बोला वन वन होता है इन्वर्स में तो रेक्टेंगुल और यह हाई पर बोला ऐसा ग्राफ बन रहा है फूर्ट

00:09:57लास्ट वाला

00:10:00यूवी रेस दी हुई है मेंटर प्लेट पर गिर रही है किसी photocell के नवाल था फोतो आजल तो पाल ऐसे रही है कि मेंटर हुट रोलत रिक प्लेक्टर रूट रह सकती है सब फोन्स अ मेल कर बना

00:10:14the stopping potential is found minus one the ratio of charge to the mass of electron

00:10:22itna yeh kya dhiya wa hai e or m ka ratio maximum speed photo electron ki puchhi jaha rahi hai

00:10:31maximum speed photo electron ki kaise nik laghi maximum kinetic energy

00:10:37a maximum kinetic energy kaise nik laghi stopping potential kitna hai one to kitna

00:10:43aega one evi hatam

00:10:46yahaan se wapas se dekho one stopping potential kitna dhiya one is it maximum kinetic energy

00:10:59hai jayegi one electron volt lakin kinetic energy speed pocha half mv maximum square one electron

00:11:06world yeh nikalna hai to v square ki value one e by m at two wither jayega or yeh

00:11:13kya yeh value dhi hui hai hai oh pyr root lena

00:11:15e lp2 khatm

00:11:20a model me kya dhiya tha

00:11:24xs2 me jobi question dhiya thai us me one to nine ke beech me

00:11:31seven

00:11:39seven

00:11:41। । । । । ।

00:12:11। । । । ।

00:12:41। । । । ।

00:13:11। । । ।

00:13:41। । । । ।

00:14:11Yes, that is what we want to tell. But how is this? How is this?

00:14:25How is the current?

00:14:28Threshold per?

00:14:39Yes, will it be?

00:14:41Yes, it will not be.

00:14:45I have not done this.

00:14:47It is in the graph.

00:14:49It will not be done, but it will not be done.

00:14:54The second option will not be done.

00:14:5917th

00:15:0617th

00:15:0717th

00:15:0917th

00:15:1417th

00:15:1917th

00:15:2817th

00:15:3018th

00:15:3418th

00:15:3618th

00:15:3817th

00:15:4317th

00:15:4518

00:15:4918

00:15:5018

00:15:5118

00:15:53when a photon of H-New

00:15:56When a photon of H new falls on an aluminum plate, work function E naught dya hoa hai, maximum kinetic energy K hai, maximum kinetic energy K jho hai hooghi, maximum kinetic energy K jho hai hooghi,

00:16:14Woh H new jho gira, uus mei se E naught minus kiya hoogha, agar frequency radiation ki double kare hooghi, to maximum kinetic energy kiteri hooghi,

00:16:23To yaar, yeh mahi na maan liya, maximum kinetic energy double hai, acha double kare hooghi, to yu 2H new, or a yu minus me 5, acha option mei dya hoa hai,

00:16:35kabhi kisime K or H new, to dho nohi options dhekne pade ghi hao, wiesse to mujhe pata hai, agar main work function ke form mei baat kero,

00:16:44To mujhe pata hai, is ki value, K2 ki value, jho hai, 2 times of initial K plus 5, E naught aya tha, humara, yaad hai,

00:16:53Us time pa, jab humare paas mei yeh aya tha, woh humne kya hata aya tha, H new, kya yeh kahin par hai, kya, 2K plus naihi hai,

00:17:01Iska matlab yeh wala tariqa naihi hai, is wala mei, humne kya kiya hai, H new ko hata aya, H new ko hata nai ke liye,

00:17:09H new ki value, h new ki value, yaha se kitnay haigi, K plus E naught,

00:17:14Toh, yaha rakh diya, K plus E naught, toh, pher yeh result aya, agar haam, E naught ko hata hai,

00:17:21Agar haam E naught ko hata te hai, E naught ki value, yaha se kitnay haigi, H new minus K,

00:17:30Toh, yaha par haamare paas mei, K2 ki value, 2H new minus, yaha jaya ega, H new minus ke,

00:17:39Toh, yaha minus or minus plus, yaha aya, agar, aur idhar se, plus H new,

00:17:45Toh, yaha se yeh bhi aaga, ab dheklo, yari, woh to depend karta hai na,

00:17:48Kyanki, doonoh chijay dhi hui hai, aur option mei doonoh hai,

00:17:51Toh, humne ek bar ek ko hata ke dekha, woh match naihi karao, jabki yeh bhi sahih hai,

00:17:54Lekin option mei naihi hai, toh, minus ke baad mei, E naught ko hata ke dekha,

00:17:57Toh, yaha option fourth wala, hum match kari hai, 27, tak, joh bhi dhiye thhe,

00:18:07Dekh ya, 25, number dhekhe, eek particle hai, jiska mass, eek mili gram hai,

00:18:16Nahi dhiya thai, haj ho gaya, 30, dhiya thai, 31, dhekhe, kuch hai gaya,

00:18:27Kis nai puchay hai, 31, 31, mei bola hai, sodium lamp nai, itnay photon per second, small end dhe dhyya,

00:18:34Kitnay photon per second ho nikal raha hai,

00:18:36Toh, wo did, aray yeh, wo thoda sa ee mba mei bhi aya gaya, yeh wala question ho, hum yaha par bhi kare saktay,

00:18:41Maan lijiya, hum aray paas mei, eek sodium lamp dhya hua hai, acha sodium lamp hai,

00:18:48Tube light toh hai nini, yani kaisa source hai, point source,

00:18:51Or point source se photon nikal raha hai, itnay, wo bhol raha hai, ki eek second mein,

00:18:57Eek centimeter square per, kitna, wo distance batau, jahaan par eek photon per second per centimeter square,

00:19:05Yeh kya bola jara hai, wake photon gir hai, per second per centimeter square,

00:19:12Yeh kya bola jara hai, yeh second into centimeter square, yeh kya hai, intensity,

00:19:27Yeh na, yeh photon, yani ki eech niyo gir hai, toh question ho, wo distance poochhi ja raha hai,

00:19:32Per second sa, yeh haan par yeh wali distance nikalne ke liye, yeh haan sa yeh distance,

00:19:37R distance, R distance, R distance per yeh, achaa is ka yaad ho, wav optics vay, point source ka wavefront,

00:19:43Spherical ho ta hai, toh wo distance batau, jahaan par it, na yeh wala part gir raha hai,

00:19:47kya sa nikalne ke, yeh intensity ki value, energy per unit area, per unit time, yeh hota hai,

00:19:57Acha, yeh ski value, humare paas mei area, yeh haan sa yeh ee ki value, yeh kita na jayega,

00:20:02acha 4 pi r square, aur yeh t, yeh haan sa r ki value, agar mein nikalna chao,

00:20:09yeh jayega e upon mei, 4 pi t, yeh second mein, achaa is ki value kaise nikal ho ga,

00:20:18energy, per unit area, per unit time, so energy sa energy kiya, yeh haan par area hai ga, time hai ga,

00:20:26yeh haan sa r square, phir uske baad mein root le lo, distance aje, em wave ke anndar,

00:20:31jaadha, acha sa zonjma hai ga yeh wala part, 35 tuk, 35 tuk,

00:20:3938 tuk, 38 tuk,

00:20:49yeh third mein bhi diya ta kya, third mein joh diya thay un mein se, third mein,

00:20:57third mein, third question dhekhen, access third mein, photon ka charge zero hota hai,

00:21:10aray saari em wave, gamma se lhekar radio tuk, saari em wave, neutral yani ki charge less hota hai,

00:21:20yari ki photon koye koji charge, nahi hota hai, saari hai, rest mass of photon is zero,

00:21:27yeh bhi saari hai, isma answer ee diya hooga, correct explanation maala,

00:21:34yeh na, ab yaar, yehaan par haamare paas, isma bulge rest mass zero hai, rest mass zero hai,

00:21:40aur charge zero hone ka kuch relation hai kiya,

00:21:52aur kuch explanation,

00:21:53aur kuch

00:22:06jab ispar koji potential nahi lag raha hai toh,

00:22:11hai potential the charge ko hai, potential do ka neti energy hai,

00:22:14I will repeat this question.

00:22:21The first line is written.

00:22:26The photon is not charged.

00:22:30The rest mass photon is 0.

00:22:33The second statement.

00:22:35The second statement.

00:22:45The photon is not charged.

00:22:47The rest mass is not charged.

00:23:03This is a correction, it doesn't happen, it doesn't work.

00:23:07This answer is second, because if you read the electro,

00:23:14when you read the electro, you read the motion,

00:23:18the mass varies, but the motion doesn't vary.

00:23:23So the rest mass, whether it's moving mass,

00:23:26the charge doesn't have to be related to the motion.

00:23:30If a sphere has two kilometers,

00:23:33then whether it's running or running,

00:23:36then if it's running or running,

00:23:38then if it's running or running,

00:23:40then the mass is different.

00:23:42Einstein's theory.

00:23:44This is the second answer.

00:23:48Fourth reason.

00:23:50Photoelectric effect in the electrons comes out from the inner orbit of an atom.

00:24:00Haan?

00:24:05Photoelectric effect in the photoelectrons comes out from the inner orbit of an atom.

00:24:12It's all right.

00:24:14Free electron of metal cannot absorb photon.

00:24:20What?

00:24:25Photoelectric effect in the inner orbit of more,

00:24:27all in the outer orbit of an atom will absorb it.

00:24:30What are the other planes from the outer orbit of an atom?

00:24:32So, what does that mean?

00:24:33The option for the other...

00:24:35Fifth.

00:24:36Fourth...

00:24:37Photons do not carry momentum.

00:24:40Momentum is the same.

00:24:41P, E, Y, C, H by lambda.

00:24:45Photon is a material particle.

00:24:50Photon is a material particle.

00:24:54If you understand, material particle means

00:24:57electron. Material. Mass.

00:25:01Proton. Alpha. Photon is a energy bundle.

00:25:06Photon is a energy bundle.

00:25:08If there is a energy bundle,

00:25:10like this photon is not a material.

00:25:12Photo is a energy.

00:25:13We have told that the hydrogen atom from 4 to 3rd orbit, if the electron has a transition from the third orbit,

00:25:21then the energy came from the form of photon.

00:25:25It is like light or ultraviolet or x ray.

00:25:28It is not energy.

00:25:29The energy is not material.

00:25:31The material means electronic material.

00:25:36This is a material because it is made from electron, but it is not made from photon.

00:25:41The electron is not made from atom, the energy is made from photon.

00:25:48The atom becomes a photon.

00:25:50Time to be forced.

00:25:52Is it forced to be forced?

00:26:00Yes, yes.

00:26:03Yes.

00:26:05I am

00:26:08I

00:26:10I

00:26:12I

00:26:14I

00:26:16I

00:26:18I

00:26:20I

00:26:22I

00:26:24I

00:26:26I

00:26:28I

00:26:30I

00:26:32I

00:26:34I

00:26:35I

00:26:37I

00:26:39I

00:26:41I

00:26:43I

00:26:45I

00:26:47I

00:26:50I

00:26:53I

00:26:54I

00:26:55of a particle the proton or alpha particle

00:26:58can't bend the power of a mass

00:27:01I am going to ask if I am going to ask

00:27:03what I am going to ask for times

00:27:05to tell us that is 4

00:27:07if you want to ask that charge to you

00:27:09said that question in K

00:27:12he was a mob of the

00:27:15part of a market is a

00:27:16wavelength card ratio cut the momentum

00:27:19same or so here will be value

00:27:21we know that lambda value is h by mv.

00:27:25Let's listen to this formula.

00:27:28This formula is 12.27, 0.286, 0.202, 0.101

00:27:36but it doesn't matter.

00:27:39The momentum is the same.

00:27:42This is the same.

00:27:44This is the same.

00:27:46Lambda is the same.

00:27:48This is the same.

00:27:53Second question.

00:27:55What is the same?

00:27:57V is the same.

00:27:59If it is the same,

00:28:01lambda value is the same.

00:28:03This is the same.

00:28:05V is the same.

00:28:07This is the same.

00:28:09This is the same.

00:28:11It is the same.

00:28:13Alpha.

00:28:15Alpha is the same.

00:28:17Here is the answer.

00:28:184 by 1.

00:28:20Third.

00:28:21We have the third question.

00:28:22Kinetic energy is the same.

00:28:24Now, we have to remove the deep wave length.

00:28:28Kinetic energy part.

00:28:30Use the same.

00:28:32Kinetic energy is the same.

00:28:34This question is the same.

00:28:36Two is the same.

00:28:37H is the same.

00:28:38The same.

00:28:39Kinetic energy is the same.

00:28:40same.

00:29:01potential same

00:29:02and accelerating potential same

00:29:04same

00:29:05we know

00:29:06this formula

00:29:07will be

00:29:08the same

00:29:09so kinetic energy

00:29:11Q into V

00:29:12now let's see

00:29:13what is the same

00:29:14H

00:29:15is the same

00:29:16H

00:29:17is the same

00:29:18two same

00:29:19and the equation

00:29:20accelerating potential

00:29:21is the same

00:29:22lambda value

00:29:23under root

00:29:24is the particle

00:29:25of mass

00:29:26and the charge

00:29:27of product

00:29:28is the inverse

00:29:29so first

00:29:30is the proton

00:29:31and after

00:29:32is the alpha

00:29:33so now

00:29:34the mass

00:29:35is the proton

00:29:36charge

00:29:37and the mass

00:29:38is the mass

00:29:39so alpha

00:29:40four times

00:29:41and this

00:29:42will go

00:29:43through

00:29:45two

00:29:59the

00:30:02the

00:30:03the

00:30:20the

00:30:21the

00:30:26Okay, next question.

00:30:42Okay, next question.

00:31:12Change from 1 angstrom to 0.5 angstrom.

00:31:32Then find out.

00:31:40Change in kinetic energy of electron.

00:31:43Change in kinetic energy.

00:32:07Lambda is given that how much change in kinetic energy?

00:32:13Value, percentage change, fractional change.

00:32:18Value, percentage change, fractional change.

00:32:28Fractional change is not asked.

00:32:31Like in lambda, how much change is?

00:32:350.5.

00:32:371 to 0.5.

00:32:392 to 0.5.

00:32:432 to 0.5.

00:32:453 to 0.5.

00:32:483 to 0.5.

00:32:503 to 0.5.

00:32:523 to 0.5.

00:32:543 to 0.5.

00:32:563 to 0.5.

00:32:583 to 0.5.

00:33:003 to 0.5.

00:33:023 to 0.5.

00:33:033 to 0.5.

00:33:053 to 0.5.

00:33:063 to 0.5.

00:33:073 to 0.5.

00:33:083 to 0.5.

00:33:24I don't know why I said I will have an electron and I'll go back to kinetic energy to H upon

00:33:29my underwood way to M kinetic energy huh is that a time lagging

00:33:36oh yeah our past my electron key like a knee in a underwood may if I'm 50 upon my accelerating

00:33:43potential are you the other starting my initially get right yeah the other one and strong to

00:33:51yeah say you only value are a bank of a yeah the accelerating potential get around 150

00:33:58there is fire card open to be there but the one fifty volt palera how go give one fifty

00:34:04rate at a bit of one eye over at a bank of piramidic initial kinetic energy 150 electron world

00:34:11initial head up second case may you are you only value point five oh yeah those while a case may

00:34:19have stop is accelerating potential camera over the planet square current the point to fight

00:34:27oh yeah or point to five years ago maripas miss parker neighbor one fifty upon me

00:34:31your value value the second max letting potential a day got chase so

00:34:38is that one by four there's a guy chase or a chase away at the final kinetic energy

00:34:43chase so electron world

00:34:47the palette needy abitri hoi to his up change

00:34:50How much is this? 450 electron volt. This is the chain. Can we remove the values of this chain?

00:35:07If it is 3 times of initial, then you can remove the initial.

00:35:153 times of date.

00:35:44How much is this?

00:35:46Let me read it.

00:35:51How much is this?

00:36:09Find out ratio of kinetic energy.

00:36:21Find out ratio of de Broglie wavelength of hydrogen and helium molecules.

00:36:43At 27 and 127 degrees Celsius.

00:36:50At 27 and 127 degrees Celsius temperature respectively.

00:36:55This is the mole gas molecule.

00:37:02This is the part of the gas molecule.

00:37:14How much is this?

00:37:23How much is this?

00:37:26How much is this?

00:37:30How much is this?

00:37:45How much is this?

00:37:49How much is this?

00:37:50How much is this?

00:37:52How much is this?

00:37:56How much is this?

00:37:57How much is this?

00:37:58How much is this?

00:37:59So, this is the volume

00:38:08KT. Thermal Neutron,

00:38:10maybe I think Thermal Neutron

00:38:11is a result of 25.6

00:38:14by root T.

00:38:16So here,

00:38:16this is a variable

00:38:17M or T.

00:38:19So here,

00:38:19Lambda under root

00:38:21M or T

00:38:22inverse

00:38:24So first,

00:38:25hydrogen,

00:38:26then helium.

00:38:28So here,

00:38:29here under root

00:38:30hydrogen,

00:38:31hydrogen,

00:38:311 mole

00:38:33molecular weight

00:38:36temperature

00:38:3627

00:38:37yianni ki 300

00:38:38helium ke liye 4

00:38:40ye

00:38:40400

00:38:41kitna ayega?

00:38:484 by root 6

00:38:50iya or bhi chiche hai

00:38:53ya haa se ye 2

00:38:56ya jaga root 8 by 3

00:38:58acha question

00:39:02mujhe or karanay te abhi

00:39:03lekin eek chiz yaad ai hai

00:39:04jo mahi har bar miss

00:39:06kar deta ho modern

00:39:07me.

00:39:07Eek question

00:39:08tuhae milayega

00:39:09joh

00:39:09sab ke sab

00:39:10garbada

00:39:10karee hai

00:39:11ar ka

00:39:12ascension reason

00:39:13karee

00:39:13abhi

00:39:13ikdam se

00:39:14yada

00:39:14hai

00:39:15karee hai

00:39:16Okay.

00:39:17Yeah.

00:39:18Okay.

00:39:19Okay.

00:39:21Okay.

00:39:22Okay.

00:39:24Okay.

00:39:25Okay.

00:39:26Okay.

00:39:27I have a good particle.

00:39:29Come momentum.

00:39:30Same.

00:39:31Hey.

00:39:32So deep.

00:39:33Well, and purchase a car.

00:39:35Okay.

00:39:36See, okay.

00:39:37Okay.

00:39:38Okay.

00:39:39So, I'm going to see.

00:39:40Okay.

00:39:41Okay.

00:39:42Okay.

00:39:43Okay.

00:39:44Okay.

00:39:45Okay.

00:39:46Okay.

00:39:47Okay.

00:39:48You can sue cloud.

00:39:50Lambda equals to H by P.

00:39:53P.

00:39:54I'm.

00:39:55Hey.

00:39:56Other particle cut.

00:39:57Lambda Same BienveniClwynn.

00:39:59body forwards elements M in momentum.

00:40:07Yeah.

00:40:08Okay.

00:40:11Then you produce a dollar.

00:40:13I said that you can think about it.

00:40:18If it's the same, it will be the same.

00:40:22But if it's the same, it will be the same.

00:40:26If it's the same, it will be the same.

00:40:31I mean, it's the same.

00:40:33The momentum of the value of both of them is fixed.

00:40:37The momentum of the value of the magnitude is fixed.

00:40:40The momentum of the value of the value of the value of the value of the value of the value of the value of the value of the value of the value of the value of the value of the value of the value of the value of the value of the value of the value of the value of the value of the value of the value of the value of the value of the value of the value of the value of the value of the value of the value of the value of the value of the value of the value of the value of the value of the value of the value of the value of the value of the value of the value of the value of the value of the value of the value of the value of the value of the value of the value of the value of the value of the value of the value of the value of the value of the value of the value of the value of the value of the value of the value of the value of the value of the value of the value of the value of the value of the value of the value of the value of the value of the value of the

00:41:10of two particles, if momentum of two particles are same, then their Debrouille wavelength

00:41:28are always same, then their Debrouille wavelength are always same.

00:41:49If Debrouille wavelength of two particles are same, then magnitude of their momentum

00:42:14are always same, but their momentum may differ due to direction.

00:42:43Next question.

00:43:14If a stationary large particle suddenly

00:43:21explodes into two different particles.

00:43:22If a stationary large particle suddenly explodes into two different particles.

00:43:28A stationary large particle suddenly explodes into two different masses.

00:43:35Then find out.

00:43:36A stationary large particle suddenly explodes into two different masses.

00:43:42Then find out.

00:43:43A stationary large particle suddenly explodes into two different particles.

00:43:50Then find out.

00:43:51The ratio of Debrouille wavelength of these parts.

00:43:57Then find out ratio of Debrouille wavelength of these parts.

00:44:04Then find out ratio of Debrouille wavelength of these parts.

00:44:11Then find out ratio of Debrouille wavelength of these parts.

00:44:18The answer is a stationary object.

00:44:19The stationary object is a stationary object.

00:44:25If a stationary object is actually a constant, it is a stationary object.

00:44:26The stationary object is a stationary object.

00:44:28The stationary object is because it is a stationary object.

00:44:31So it is a好吃 part, then it is a momentum.

00:44:34It is a momentum.

00:44:36It is momentum.

00:44:37If I am why, I am why.

00:44:38Momentum क्यों ले रहा हूँ क्यों के लिए momentum चाहिए इसके बाद में explosion हो रहा है जहां पर explosion लिखा हुआ है equation में वहां पर उस पर circle करके रख दो जब भी explosion होता है तो explosion internal force के कारण होता है और एक अंदर chemical energy जो है वो उसको explode करवाती है बहार से explosion नहीं होता है

00:45:03internal करणों से होता है तो external force 0 और शायद पता हो NLM में f equals to dp by dt अगर ये वाली value 0 होती है तो momentum conserve तो momentum constant रहेगा

00:45:17मतलब जब भी explosion के question आजाए collision के question आजाए ये conservation of linear momentum और collision chapter में आता है उस time पर collision या explosion से just पहले और just बाद में का momentum same होता है

00:45:33अब चाहे इसमें से एक part चाहे बड़ा हो और एक part जो है वो छोटा हो

00:45:39यार इसका final momentum भी total क्या होना चाहे था zero क्योंकि जब explosion हो रहा है तो

00:45:45external for zero होने के करण momentum conserve पहले था zero तो बाद में भी zero अरे बाद में zero कैसे रहा होगा

00:45:53अरे पहले का momentum और दूसरे के momentum का sum ही तो zero होना चाहे था यानि कि पहले का momentum और दूसरे का momentum

00:46:01एक दूसरे के opposite में इधार अगर किसी का momentum 10 है तो उसका minus 10 रहा होगा लेकिन हमें

00:46:08आरेक्शन से मतलब नहीं है हमें तो क्या चाहिए लेमडा की value h by p magnitude sum में same

00:46:15तो फिर तो लेमडा भी same तो पहले और दूसरे का जिसका ratio one rest to one चाहे एक बडा हो और एक छोटा

00:46:23मास हो कोई फरक नहीं पड़ता जो बड़ा मास होगा उसकी वेलसिटी कम आएगी जो छोटा वाला मास होगा उसकी वेलसिटी ज्याद आएगी तो पहले चीच बैसिक सी

00:46:31explosion mechanics पर वेस्ट

00:46:53mammal झाल झाल

00:47:23and

00:47:29.

00:47:33Perhaps, if you go to the community, the community comes back to the community,

00:47:39the community comes back.

00:47:44For a second, the community is the work power energy,

00:47:48If the potential energy of a particle

00:48:14having total energy

00:48:24if potential energy of a particle

00:48:29having total energy 2E0

00:48:32is given as

00:48:44u equals to E0

00:48:46for

00:48:49x की value

00:48:52यहां से यहां

00:48:56जब x की value 0 से 1 के बीच में हो

00:48:59तो उसकी potential energy कितनी है

00:49:00E0 और u की value 0 है

00:49:03कब?

00:49:04जब x की value 1 से ज़्यादा हो

00:49:07if deep row a wavelength of this particle

00:49:25if deep row a wavelength of this particle

00:49:33is lambda 1 for

00:49:39lambda 1 for 0

00:49:46and lambda 1 for 0

00:49:46from 1 to 1

00:49:47from x to the value

00:49:48then

00:49:49lambda 1

00:49:53lambda 2 for

00:49:55x greater than 1

00:49:57then

00:49:59then

00:50:00this wave length of square

00:50:06ratio

00:50:07this is the question

00:50:09this is the question

00:50:25listen to the question

00:50:26Yeah, if I have a particle

00:50:31So, this is a deep wavelength

00:50:35The way to write the way

00:50:36H upon P

00:50:37H upon M

00:50:39H upon Underwood

00:50:422M

00:50:43K E

00:50:44H upon 2M

00:50:48QV

00:50:49Excelling potential

00:50:50Now, question of potential energy

00:50:54that

00:50:56is

00:50:58a

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01:13:17we

01:13:19have

01:13:21I

01:13:23like

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01:13:35like

01:13:37I

01:13:39like

01:13:41V 0

01:13:43Y

01:13:45E 0

01:13:46m

01:13:47by T

01:13:48this

01:13:49net

01:13:50velocity

01:13:51under

01:13:53V 0

01:13:54square

01:13:55plus

01:13:56E 0

01:13:57t

01:13:58by m

01:13:59square

01:14:00this

01:14:01is

01:14:02momentum

01:14:03t

01:14:04time

01:14:05this

01:14:06is

01:14:07value

01:14:08m

01:14:09value

01:14:10if

01:14:11m

01:14:12v

01:14:13value

01:14:14under

01:14:15v

01:14:16not

01:14:17square

01:14:18e

01:14:19e

01:14:20not

01:14:21t

01:14:22m

01:14:23square

01:14:24lambda

01:14:25not

01:14:26v

01:14:27v

01:14:28not

01:14:29v

01:14:30not

01:14:31common

01:14:32v

01:14:33not

01:14:34v

01:14:35not

01:14:36square

01:14:37common

01:14:38v

01:14:39v

01:14:40not

01:14:41upon

01:14:42m

01:14:43v

01:14:44not

01:14:45square

01:14:46common

01:14:47v

01:14:48not

01:14:49common

01:14:50v

01:14:51not

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01:14:53e

01:14:54not

01:14:55square

01:14:56t

01:14:57square

01:14:58upon

01:14:59m

01:15:00square

01:15:01value

01:15:02m

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01:15:05s

01:15:06m

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01:15:38m

01:15:51m

01:15:52m

01:15:53m

01:15:54photoelectric,

01:15:56all of these

01:16:01these

01:16:03first and second

01:16:05enter

01:16:07this

01:16:08first

01:16:09first

01:16:10first

01:16:11first

01:16:12first

01:16:13first

01:16:15first

01:16:16second

01:16:17first

01:16:18first

01:16:19second

01:16:20first

01:16:21first

01:16:22next

01:16:23second

01:16:25uh

01:16:27electro

01:16:28dynamics

01:16:29I

01:16:31mean

01:16:32last

01:16:33year

01:16:34have

01:16:36given

01:16:37130

01:16:38question

01:16:39of

01:16:40current

01:16:42questions

01:16:43extra

01:16:44more and more.

01:16:51Can you tell us that students are not saying anything about this?

01:16:54The last time they stopped saying that this is what they are doing.

01:16:59They are not saying anything.

01:17:06They are not saying anything.

01:17:10in France, even in J-Mans, we don't have to do all of these things, but in J-Mans, we don't have to do all of these things.

01:17:24So, physics is easy to do this.

01:17:27This is what we will do in physical chemistry.

01:17:30There are two things that we don't have to do in bio-care, and bio-care students.

01:17:37It isn't.

01:18:02It doesn't happen to me, but in the physical level, it can be bad for me.

01:18:07In the unit, in the calculation, in the concept, there are many.

01:18:12There are physical and physics, which can be bad for me.

01:18:16Levels can be improved. Lending to be.

01:18:19This time, the level was improved. Lending to be with the level of physics.

01:18:23If there is a level of length, then it will increase in physics or physical chemistry.

01:18:29If you learn more, the level of physics will increase.

01:18:34The teacher tells me.

01:18:36I agree.

01:18:39I agree.

01:18:41I agree.

01:18:44When I agree, there is no level of physics.

01:18:47I agree.

01:18:49But I agree.

01:18:52I agree.

01:18:54foreign

01:19:01foreign

01:19:06foreign

01:19:15foreign

01:19:18foreign

01:19:23yes

01:19:25yes

01:19:27yes

01:19:29yes

01:19:31yes

01:19:33no

01:19:35next question

01:19:39yes

01:19:47yes

01:19:49a little little question at all well I make not look around for Calisco explain

01:19:58carrying a speculation carrying a bought famous question mistake if

01:20:02are not man if the bro a wavelength of electron

01:20:16moving with V speed

01:20:19is similar to

01:20:28wavelength of photon

01:20:39then

01:20:41kinetic energy of electron upon my energy of photon

01:20:53and

01:20:55its value V by 2C

01:21:00and

01:21:02we will prove this tomorrow

01:21:03we will do a lot of questions in my work

01:21:04to listen to my question

01:21:06I have written a lot of things

01:21:08and

01:21:10if you have a question

01:21:15that

01:21:16is

01:21:17This is the equivalent word used.

01:21:18Because if photon has a energy, then what will be deep-royd?

01:21:21The particle, which is the material?

01:21:22So it's energy.

01:21:23So it's just wavelength and electron particles.

01:21:27So deep-royd.

01:21:28The second thing is for electron-related energy and photon-related energy.

01:21:35Energy of photon-related energy is at sea by lambda.

01:21:40So this is the electron- kinetic energy of lambda.

01:21:44In the same way, I have not written the photon speed.

01:21:47Photon, light of photon, EM wave.

01:21:50What speed is going on?

01:21:52C.

01:21:53And what speed is going on in the question?

01:21:55V.

01:21:56This is V's value.

01:21:58Electron is not going on C.

01:22:00EM wave.

01:22:02C is going on in vacuum.

01:22:04Electron is going on 10 to the power of 5, 6.

01:22:06We will now prove this.

01:22:08We will have two questions.

01:22:10In the module,

01:22:13Exercise 1

01:22:1741

01:22:2941

01:22:3141

01:22:3241

01:22:3441

01:22:3541

01:22:36E.

01:22:41E.

01:22:42E.

01:22:43Apple 1

01:22:44E.

01:22:45E.

01:22:46E.

01:22:47E.

01:22:49Model 1

01:22:50�

01:22:53E.

01:22:54E.

01:22:55E.

01:22:56E,

01:22:57P.

01:22:58E.

01:22:59E.

01:23:00E.

01:23:01E.

01:23:02E.

01:23:03E.

MODERN PHYSICS - 7

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