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It is essential to consider light as a s...

It is essential to consider light as a stream of photons to explain

A

reflection of light

B

photoelectric effect

C

refraction of light

D

diffraction of light

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The correct Answer is:
B
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NIKITA PUBLICATION-ELECTRONS AND PHOTONS -MCQs
  1. The number of photons required to give a definite energy W varies

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  2. A quantum of light energy is called

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  3. It is essential to consider light as a stream of photons to explain

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  4. What is the momentum of a photon of frequency v ?

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  5. The kinetic energy (E(k)) of a photoelectron varies with the frequency...

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  6. If the energy of a photon corresponding to a wavelength of 6000 Å is 3...

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  7. Wavelength of a 1 ke V photon is 1.24 xx 10^(-9) m. What is the freque...

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  8. The dual nature of matter was predicted by

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  9. The wavelength of an electron , moving with the velocity 3 xx 10^(3) ...

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  10. If we consider electrons and photons of same wavelength , then they wi...

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  11. The photoelectrons emitted from a given cathode , on the incidence of...

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  12. An electron behaves as a

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  13. The photons are incident on a metallic surface of frequency n . If the...

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  14. An electron moving with a kinetic energy of 1.5 xx 10^(3) eV enters in...

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  15. An electron performs uniform circular motion in a region of magnetic f...

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  16. An electron of velocity 2.652 xx 10^(7) m/s enters a uniform magnetic ...

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  17. In an experiment to measure the charge on an electrons , the electrons...

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  18. An electron moving horizontally enters in a uniform electric field of ...

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  19. The potential difference through which an electron should be accelerat...

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  20. In a velocity selector , the intensity of the electric field is 3 xx 1...

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