MODERN PHYSICS - 1 - video Dailymotion

JACK

EDUCATION

Transcript

00:00:00foreign

00:00:19when light of devotion is

00:00:22When light of 400 nanometer, incident on, incident on, incident on, incident on,

00:00:52a slit of width, slit of width, 5 mm, 0.5 mm, 0.5 mm, 0.5 mm, then find out, angular width,

00:01:22of second minima, from central bright.

00:01:40The question is,

00:01:42the question is,

00:01:47the question is,

00:01:52,

00:01:53oh,

00:01:53I want you to make sure that there is a cat.

00:01:56She might not have the cute, D,

00:01:58but that's the too.

00:01:59So,

00:02:00I think that we have a question here.

00:02:03I know,

00:02:04I have a question.

00:02:05Okay.

00:02:06I can say that I have to.

00:02:09I can say that.

00:02:10It's a good line.

00:02:12It's a good line.

00:02:13I don't remember.

00:02:14Right.

00:02:15It's a good line.

00:02:16Yeah.

00:02:18Yeah.

00:02:18Oh,

00:02:20Delta X equals to D sine theta.

00:02:25A sine theta.

00:02:27Defraction.

00:02:28Acha, this dark is.

00:02:30Dark is.

00:02:31N lambda.

00:02:33N value is 2 lambda.

00:02:35Upon this, this theta.

00:02:37So sine theta is where we go.

00:02:402 lambda upon this, A.

00:02:42Lambda value is 400 nanometer.

00:02:444 into 10 to the power minus 7.

00:02:47A value is 0.5 mm.

00:02:50Yarni, 10 to the power minus 4.

00:02:52So, this is 8 by 5 into 10 to the power minus 3.

00:02:58So, this is 1.6 into 10 to the power minus 3.

00:03:04Actually, this is 1.6 into 10 to the power minus 3.

00:03:15बादि एक या आध दूसाय नियोस से पहले वाला क्योशन जो कराए था उसमें हमारे पास बद्सक्राइभ था यह वाली वेलिव हाफ के बदा बाराए थी तो बड़ी वेली तो तीस आ अगया लगी नहीं चोटी है तो साइन तीटा गो फीक ता

00:03:28Second last question.

00:03:58Second, in a single slit, in a single slit defraction,

00:04:28in a single slit defraction, find out phase difference

00:04:47at a position of second dark between the light coming from

00:05:11center of slit, center of slit and age of slit.

00:05:28Second, in a single slit.

00:05:35Second, in a single slit, in a single slit.

00:05:42Second, in a single slit, in a single slit, in a single slit.

00:05:49Second, in a single slit.

00:05:56Second, in a single slit, in a single slit,

00:06:03in a single slit, in a single slit.

00:06:10Second, in a single slit, in a single slit,

00:06:17Second, in a single slit.

00:06:21can't order other partners face difference here is our difference yeah the face difference

00:06:28Kiran a player I check which is not the two by lambda to buy the kit about answer for

00:06:36legally in light to cut out say this isvorysselle from the question like a pucha in have a

00:06:43I don't know his question may have a pay after you just single sleep via wire or

00:06:49it's made a central bike or the upper first dark or either second dark yeah

00:06:54put the light based in a actual middle-alike it's like it's a or it is

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00:35:00so light ki speed kya ben jayegi v ki value c

00:35:04aur haam isko kya lik rehen new

00:35:06ye lambda

00:35:07to new ki value kya ben jayegi

00:35:09c by lambda

00:35:11kyao ki hamei pata chala work function ki value h by new naught hai

00:35:16to new ki jagat kya lik deenghe

00:35:17c by lambda

00:35:19acha ye new naught hua to ye bhi lambda naught

00:35:22to ye work function ki ye value a gai hai

00:35:25yehaan per lambda naught joh kehlata hai ye kehlata hai threshold

00:35:30wavelength

00:35:55ndra

00:36:02ndra

00:36:04ndra

00:36:06ndra

00:36:07ndra

00:36:08ndra

00:36:12I am going to talk about the next chapter on the next chapter of photoelectric.

00:36:20It will be the most easy.

00:36:26It will be the third part.

00:36:28It will be the most easy.

00:36:30I am just talking about it.

00:36:32I am talking about it.

00:36:34I am talking about it.

00:36:36I am talking about it.

00:36:38I am talking about it.

00:36:42I am talking about it.

00:36:44What is it?

00:36:46Something needs to be a minimum energy.

00:36:48It is a work function.

00:36:50This is a minimum energy.

00:36:52This is a minimum energy.

00:36:54This is a minimum energy required.

00:37:00This is a minimum frequency.

00:37:02What is it?

00:37:04minimum frequency required you have a minimum energy required over Joe the

00:37:13select particle order your minimum frequency required a minimum of a

00:37:18video minimum it come and it's up to come to come energy it's up to come to come

00:37:22frequency over or the view minimum hey yeah I got a minimum why so yeah

00:37:30maximum of a yannick threshold wavelength who maximum wavelength

00:37:38hey Joe electron emit Karad

00:37:52so if you have more wavelength, then energy is less than the same.

00:37:55If you have to listen, this is the minimum wavelength

00:37:59that is the electron emit,

00:38:02then the energy is more than the same.

00:38:06Then it will be less than the same.

00:38:09But if you have less than the same energy,

00:38:12then the electron will not be less than the same.

00:38:15Because the energy function will be less than the same.

00:38:18Let's listen to what I'm saying.

00:38:21This is matter of matter.

00:38:25What will we be seeing?

00:38:28This is matter of matter.

00:38:30The energy is higher than

00:38:32but this is the major energy function which simply ran better.

00:38:36If we are becoming a particle,

00:38:38then the energy is the main part.

00:38:39Let's and say the cloud.

00:38:41When I have to remember the elements here,

00:38:44then it is the meaning of matter.

00:38:46So, this is저,

00:38:48value material or decide kis se karega new knot se new knot wo minimum frequency

00:38:57hai jis ki light gire legini decide material nne kiya hai agar mahalo material

00:39:03ke liye ye wali value hai 10 material nne decide kareliya ki new knot

00:39:10hona chit 10 units to 10 se kam pe kam nahi hoga 10 se jada wala a gya to

00:39:17hara jis material ke liye ye wali value 10 hai aur ek dousra material hai jis ke liye

00:39:24value 20 hai jis ke liye jis material ke liye wali value 10 hai us ke liye wali energy

00:39:30bhi kam hooghi jis ke liye 20 hai us ke liye wali energy bhi jada jis ke liye ye

00:39:35jada to ye jada aur ye jada matlab us material ke liye selektro nikalwaana thoda

00:39:41mishkila hai nikal to jayega thoda jada energy ndalne pade ghi tu vaapas se bol raha

00:39:47work function threshold frequency threshold wavelength ye decide hote hai material se

00:39:53leki wali energy light se hai hai nalne pade ghi ya haa se ye a gya lambda knot और

00:39:59yye wali value aage bade jay hai hai hai hai work function function ki value joh

00:40:05aai hai work function aya hai h new knot ya phir h c y lambda knot yaar yeh sari value

00:40:14agar haamne if values haamne si me liye hai to work function ki unit yeh array energy to

00:40:26hai hai to yeh kis me ane wala hai joule mein

00:40:29ki aai ki aai shahat tumhye ek fata ho ek electron volt

00:40:36hai jahan sa sunnayan electron volt kya yeh V hai volt kya yeh Q hai q into V energy hoti

00:40:46hai work done kinetic energy q into V yianiki yeh volt voltage ki unit naihi hai yeh q into V

00:40:55So that you can use the energy for Joule to change this value.

00:41:01You can save this value of Joule.

00:41:04So if you have this value, then what will be Joule.

00:41:09Joule is 1.6 into 10 to the power minus.

00:41:14So if I have this value of Joule to convert to Joule.

00:41:21I am going to go here and go here and go here and multiply and divide.

00:41:29So, I have this value of hc by lambda naught.

00:41:34This is where I am.

00:41:35Joule.

00:41:36If I have this value of hc by lambda naught.

00:41:38If I have this value of hc by lambda naught.

00:41:43This value of hc by lambda naught.

00:41:48After which value of hc by lambda naught will you?

00:41:51I don't know.

00:41:52This value will decide?

00:41:53The material.

00:41:54But where will come?

00:41:56This value will come.

00:41:58This value will come.

00:41:59This value will come.

00:42:01This value will come.

00:42:02To another value of hc by lambda naught.

00:42:04Okay.

00:42:05If I have this value of hc by hc by hc by e size, it is the value value of hc by the value of hc by hc by e.

00:42:16by e ki value 12,400

00:42:20upon me ye baca lamna naught

00:42:23or yeh banayega electron volt into angstron

00:42:27angstron kiyo aya hai kyunki mujhe ab yeh wali value

00:42:29angstron me leena

00:42:30to agar tumne isko lamna naught

00:42:35liya hua hai to 12,400 upon lamna naught

00:42:38se meh work function nikaal saakta ho

00:42:39shart yeh hai ki yeh angstron

00:42:41jesse agar mehre se bholo jara hai

00:42:43ki yeh wali value hai

00:42:45400 nanometer

00:42:47so work function nikaal lo

00:42:50work function ki value

00:42:51to mujhe pata hai 12,400

00:42:53upon me lamna naught

00:42:56legin kis unit meh angstron meh

00:42:58electron volt into angstron

00:43:00taq yeh angstron se angstron cancel ho jaya

00:43:02ach ya nanometer hai

00:43:03400

00:43:04to angstron meh kitana hai ga

00:43:064000 angstron

00:43:09to yaha se yeh uđ gaya

00:43:12yeh 2,0 se 2,0 gaya

00:43:14kitana ha raha hai

00:43:153.1 electron volt

00:43:18option meh

00:43:19electron volt meh

00:43:20to ho ne goe yeh

00:43:22one agar jool meh hua

00:43:23to e ki value

00:43:25ragh do

00:43:25apne aap jool ha jaya

00:43:26to košish kar hain

00:43:27har chis pehle

00:43:28electron volt meh

00:43:29nikale hai

00:43:30phir agar option meh

00:43:31jool meh khail raha hai

00:43:32toh us meh chala

00:43:33jay

00:43:33toh us meh

00:43:37toh us meh e ki value rukkar

00:43:38toh us meh e ki value rukkar

00:43:54mutla multiply karke jool meh convert

00:43:56toh jool

00:43:58is ko idha

00:43:58le jayenge

00:43:59toh divide

00:44:00ho jayega na

00:44:00toh us

00:44:00toh us meh

00:44:29Qtion

00:44:32Always write

00:44:33A metal

00:44:35Work function is so

00:44:37A metal

00:44:38Frequency is so

00:44:41A metal

00:44:42Frequency is so

00:44:45These all

00:44:46Decide

00:44:47A metal

00:44:48In other metal

00:44:49Lose it

00:44:49This value

00:44:50Is something

00:44:51Nothing

00:44:51But this energy

00:44:53An energy

00:44:53Light

00:44:54With this

00:44:55It

00:44:565

00:44:57Nu

00:44:58Not

00:44:58lemna not your material decide

00:45:00I got that.

00:45:30.

00:45:33When was it?

00:45:38When was it?

00:45:40On 14th?

00:45:42I will never die.

00:45:45I will kill myself.

00:45:49We will give the previous optics in the previous videos.

00:45:56You will be able to live or die for one month.

00:46:02You will be seated?

00:46:03Yes, you will be seated.

00:46:08You will be seated.

00:46:11You will be seated.

00:46:13You will be seated.

00:46:15You will be seated.

00:46:17It will be seated.

00:46:19you read the དབ ཀཙམ ཅྱའོ དེར ེདབ ཕྱ ཁགས དེར པ཯ ཤུགར ཤར དེདར མབ ཏམ ས� Kö ninth bar

00:46:31If we change the meter to centimeter, we can change the meter to the meter, so we can change the meter, so we can change the meter to the meter.

00:46:42If we need electron volt to joule, we need E to keep the value here.

00:46:48This means, this electron volt to joule to joule, we need to divide the meter into joule, so joule to joule to joule to joule to joule to joule to joule.

00:47:10Second portion is the light portion, which is the biggest portion.

00:47:20Second portion is the light, which is the light portion.

00:47:26The light portion is the first, which is the light?

00:47:31Photon.

00:47:35Photon.

00:47:36Okay, if we talk about photon, what is photon?

00:47:40This is the charge less and mass less.

00:47:48Mass less, you can say it is the rest mass.

00:47:54Zero.

00:47:55If it is the rest, there is no mass.

00:47:59But if photon is running, then it is mass.

00:48:03And nobody has photon to rest.

00:48:06The light is the rest.

00:48:09So it is the mass.

00:48:11It is the mass.

00:48:12The light is the most part.

00:48:27Then the light is the most part.

00:48:28The first portion is the energy.

00:48:31And now, the first portion of the light is the energy of the photon.

00:48:47The light is energy, so the energy will then depend on its frequency.

00:48:54The light will depend on its frequency.

00:49:17The light will depend on its frequency.

00:49:24The light will depend on its frequency.

00:49:26The light will depend on its frequency.

00:49:29The light will depend on its frequency.

00:49:36The light will depend on its frequency.

00:49:43The light will depend on its frequency.

00:49:50The light will depend on its frequency.

00:49:52The light will depend on its frequency.

00:49:53The light will depend on its frequency.

00:49:54The light will depend on its frequency.

00:49:59The light will depend on its frequency.

00:50:00So, when it comes to its frequency, which is the einem thuane make the photons.

00:50:06Now it depends on the amount of frequency.

00:50:07The light would depend on its frequency.

00:50:08According to the amount of frequency, the light will depend on its frequency.

00:50:13energy so you value value to cancer area spread dependent अलेकर वो 5 इडिस था जिस

00:50:18material पर गिर रहा था उसके according अच्छाइए अटाया तो हमारे पास फिर से constant आएगा और

00:50:23यह constant फिर से यह h अच्छा यह सब SI में रखा तो यह Joule में आ जाएगा अच्छा अब

00:50:30foreign

00:50:37foreign

00:50:44foreign

00:50:49foreign

00:50:54foreign

00:50:57This is the incident of the energy we have here.

00:51:04If we have a photoelectric effect,

00:51:09we have a photoelectric effect,

00:51:12we have a electron,

00:51:15the incident of the energy,

00:51:20which we compare to?

00:51:23Work function.

00:51:25This material is going to be higher.

00:51:29This energy,

00:51:30which we need in the same way,

00:51:32will be greater than the effect.

00:51:37This is how you write down?

00:51:39H into new.

00:51:41This is how you write down?

00:51:43H new not.

00:51:45This is the incident frequency,

00:51:50threshold frequency.

00:51:53I don't know it's a yeah, but it's possible see by lambda or you value value see by lambda not

00:52:00yeah, say there get cross like a so yeah, say it's quite a little drama to lambda key value

00:52:06lambda not say come ultra over yarni ki incident wavelength threshold ke berabar you say come

00:52:13yo ki incident wavelength jitni kamo ghi ane wali energy utni jada jada energy I get

00:52:21to be able to get the photo-elected

00:52:23to be able to get the photo-elected

00:52:25to be able to get the photo-elected

00:52:27so

00:52:51so

00:53:21photo-elected effect

00:53:39photo-elected effect

00:53:41light

00:53:45energy

00:53:47energy

00:53:49energy

00:53:51energy

00:53:53energy

00:53:55energy

00:53:57energy

00:53:59energy

00:54:01energy

00:54:03energy

00:54:05energy

00:54:07energy

00:54:09electromagnetic wave

00:54:11spectrum

00:54:13of things

00:54:15energy

00:54:17energy

00:54:19energy

00:54:21gamma

00:54:23x-ray

00:54:25ultraviolet

00:54:27visible

00:54:29infrared

00:54:31micro

00:54:33radio

00:54:35analytics

00:54:37so

00:54:39if

00:54:41this is

00:54:43em wave

00:54:45em wave

00:54:47c

00:54:49vacuum

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MODERN PHYSICS - 1

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