A. Twice
B. Thrice
C. Four times
D. Sixteen times
Submitted by: Imran Ali Mirbahar
Related Mcqs:
- In a photoelectric effect monochromatic light is incident on a metal surface. If the incident light of twice the intensity but of same wavelength the kinetic energy of the emitted electron_______________?
A. Becomes double
B. Remains same
C. Becomes half
D. First increases then decrease because of the curvilinear graph - Gas molecules of different masses in the same container have the same average transnational kinetic energy which is directly proportional to their_____________?
A. volume
B. pressure
C. absolute temperature
D. time - Average translational kinetic energy per molecule of an ideal gas is given by_____________?
A. 3NaT/2R
B. 2NaT/3
C. 3RT/2Na
D. 3Na/2RT - Proton electron neutron and a particles have same momentum. Which of them have highest K.E ?
A. Proton
B. electron
C. neutron
D. a-particle - Time rate of change of momentum is equal to____________________?
A. force
B. impulse
C. velocity
D. both A and C - Momentum depends upon__________________?
A. force acts on the body
B. mass of the body
C. velocity of the body
D. both mass and velocity of the body - Linear momentum of a photon is_______________?
A. zero
B. hv/c2
C. hv/c
D. c2/hv - The linear momentum of an X-ray photon of wavelength 0.1A is_______________?
A. 6.625x1023N-s
B. 66.25x1023N-s
C. 662.5x1023N-s
D. data is insufficient - If a photon is reflected from the mirror then the change in momentum of each photon is_______________?
A. Zero
B. Double
C. Half
D. 1 - If n number of the photon is striking on a metal surface then total momentum exerted is_______________?
A. p
B. n
C. 0
D. None
