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By increasing the intensity of incident ...

By increasing the intensity of incident light on the surface of a metal

A

K.E. of photoelectrons increases

B

number of emitted electrons increases

C

kinetic energy and number of electrons increases

D

no effect

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The correct Answer is:
B
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NIKITA PUBLICATION-ELECTRONS AND PHOTONS -MCQs
  1. In photoelectric effect , photocurrent

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  2. The photoelectron emitted from a metal surface are such that their vel...

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  3. By increasing the intensity of incident light on the surface of a meta...

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  4. When a given electromagnetic radiation illuminates the metal surface ,...

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  5. Photoelectrons are emitted by a metal surface only when

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  6. The electrons are emitted in a photoelectric effect from a metal surfa...

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  7. Photo electric effect is the phenomenon in which

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  8. In the photoelectric effect the velocity of the ejected electrons depe...

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  9. The stopping potential as a function of frequency of incident radiatio...

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  10. Photoelectric effect is explained by

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  11. Maximum kinetic energy (E(k)) of a photoelectron varies with the frequ...

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  12. In order to increase the kinetic energy of ejected photoelectrons , th...

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  13. The phenomenon of photoelectric emission was discovered in 1887 by

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  14. The velocity of photon is proportional to (where v is frequency)

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  15. In photoelectric emission, the velocity of electrons ejected from near...

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  16. In photoelectric emission, the energy of the emitted electron is

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  17. If the work function of a metal is 'phi' and the frequency of the inci...

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  18. Which of the following is dependent on the intensity of incident radia...

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  19. Photoelectric effect supports

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  20. Threshold wavelength for photoelectric effect on sodium is 5000 Å . It...

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