After traveling through a vacuum a photon of light entering into some transparent denser medium. Thus the energy of light______________?

Related Mcqs:

1. A light ray traveling form rarer to denser medium suffers a phase change of__________________?

   A. 60°
   B. 90°
   C. 180°
   D. 45°

2. 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

3. The name of the photon for quantum of light was proposed by________________?

   A. Ampere
   B. Plank
   C. Thomson
   D. Einstein

4. 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

5. Linear momentum of a photon is_______________?

   A. zero
   B. hv/c2
   C. hv/c
   D. c2/hv

6. 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

7. Rest mass of a photon is________________?

   A. infinite
   B. zero
   C. very small
   D. 1.67 x 10-27 kg

8. A photon is________________?

   A. A unit of energy
   B. A positively charged particle
   C. A quantum of electromagnetic radiation
   D. A unit of wavelength

9. 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

10. A photon of wavelength 900nm behaves like a particle of mass______________?

    A. 5.53 x 10-36kg
    B. 0 kg.
    C. 2.46 x 10-36kg
    D. 1.84 x 10-44kg