A. Photon theory of light
B. Dual nature of light
C. Wave nature of light
D. Uncertain nature of light
Related Mcqs:
- In Compton scattering, the change in wavelength is maxed if_______________?
A. The angle of scattering is 90°
B. The angle of scattering is 60°
C. The angle of scattering is 180°
D. The angle of scattering is 0 - Motorcycle safety helmet extends the time of collision hence decreasing the________________?
A. chance of collision
B. force acting
C. velocity
D. impulse - 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 - Doppler effect applies to____________________?
A. sound wave only
B. light wave only
C. both sound and light waves
D. neither sound nor light wave - Photoelectric effect was given by ____________________?
A. Hertz
B. Fresnel
C. Einstein
D. Plank - Diffraction effect is____________________?
A. more for a round edge
B. less for a round edge
C. more for a sharp edge
D. less for a sharp edge - The effect of the decrease in pressure with the increase of the speed of the fluid in a horizontal pipe is known as______________?
A. Bernoulli effect
B. Torricelli effect
C. Venturi effect
D. Stokes effect - Reverse process of photoelectric effect is_______________?
A. pair production
B. Compton effect
C. annihilation of matter
D. X-rays production - The turning effect of force is called_________?
A. Moment
B. Momentum
C. Torque
D. None of theseSubmitted by: Malik Asghar Hussain
- Joule Thomson effect is based upon __________ ?
A. Sudden compression of gases
B. Sudden expansion of gases
C. Cooling of gases
D. Heating of gasesSubmitted by: Rashid Mehmood