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Physics with Akhtiar Ali Bullo
@bulloakhtiar
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4:42
Radium has half life of 1600 years. How much of 60 grams of radium would be left after 4800 years ?
6 hours ago
4:22
Half life of radon is 382 days. How much of 100 gm sample of radon would be left after 764 days ?
3 days ago
0:45
ampere × second is equal to _ A.s is equal to
1 week ago
0:48
joule×second is the unit of _ J.s is the unit of
2 weeks ago
3:24
A particle moves with a velocity 6i-4j+3k m/s under the influence of a constant force F=20i+15j-5k N.The instantaneous power applied to the particle is
3 weeks ago
2:19
Two sound waves having a phase difference of 60 degree have path difference of
3 weeks ago
3:14
If wavelength of a wave is 6000 angstrom. Then wave number will be
3 weeks ago
4:02
A wavelength 0.60 cm is produced in air and it travels at a speed of 300 m/s. It will be an
3 weeks ago
5:32
If the momentum is increased and decreased by 20% then kinetic energy increases and decreases by respectively
3 weeks ago
3:25
A body constrained to move in the y-direction is subjected to a force given by F=(-2i+15j+6k)N.What is the work done by this force in moving the body a distance 10m along the y-axis ?
3 weeks ago
0:47
Per second is the unit of _ second inverse is the unit of
14 hours ago
1:03
joule/coulomb is the unit of _ joule per coulomb is the unit of _ J/C is the unit of
4 days ago
0:47
The unit of electric charge is
1 week ago
2:14
Which of the following is equal to joule × ohm/volt × second
3 weeks ago
3:25
A body constrained to move in the y-direction is subjected to a force given by F=(-2i+15j+6k)N.What is the work done by this force in moving the body a distance 10m along the y-axis ?
3 weeks ago
2:46
A force F=5i+6j+4k acting on a body produces a displacement S=6i-5k. Work done by the force is
3 weeks ago
3:20
The expression 1/√2i+1/√2j is a
3 weeks ago
3:24
A particle moves with a velocity v=6i-4j+3k m/s under the influence of a constant force F=20i+15j-5k newton. The instantaneous power applied to the particle is
3 weeks ago
6:08
The angle between two vectors -2i+3j+k and i+2j-4k is
3 weeks ago
1:18
Which of the following is not the transverse wave ?
3 weeks ago
6:38
Resistances of 4 ohm,6 ohm and 12 ohm are connected in parallel and joined to an emf source of 6V. Find the value of 1) the equivalent resistance of the circuit 2) the total current from the circuit 3) the current passing through each resistance Current
3 days ago
1:02
coulomb per second is the unit of _ coulomb/second is the unit of _ C/s is the unit of
1 week ago
0:44
coulomb/second is equal to _ coulomb per second is equal to _ C/s is equal to
2 weeks ago
1:58
If P.Q=PQ then angle between P and Q is
3 weeks ago
2:43
The diagonals of a parallelogram are 2i and 2j. What is the area of the parallelogram ?
3 weeks ago
3:03
The speed of a wave in a certain medium is 960 m/s. If 3600 waves pass over a certain point of the medium in 1 minute , the wavelength is
3 weeks ago
4:02
The temperature at which the speed of sound in air becomes double of it's value at 27 degree centigrade is
3 weeks ago
4:17
At what temperature velocity of sound is double than that of at 0 degree centigrade ?
3 weeks ago
3:48
Consider two vectors F1=2i+5k and F2=3j+4k. The magnitude of the scalar product of these vectors is
3 weeks ago
1:09
Ultrasonic waves are those waves
3 weeks ago