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The stopping potential as a function of ...

The stopping potential as a function of frequency of incident radiation is plotted for two different photoelectric surfaces A and B . The graphs as shown in figure shows that , the work function of A is

A

greater than that of B

B

smaller than that of B

C

same as that of B

D

no comparison be made from given graphs

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The correct Answer is:
B
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NIKITA PUBLICATION-ELECTRONS AND PHOTONS -MCQs
  1. Photo electric effect is the phenomenon in which

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

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

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  4. Photoelectric effect is explained by

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

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

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

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

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

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

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

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

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  13. Photoelectric effect supports

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

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  15. For three different metals A , B and C , photoemission is observed one...

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  16. When light of wavelength 300 nm (nanometre) falls on a photoelectric e...

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  17. Which of the following graphs represents correctly the variations of 0...

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  18. If the radiation is incident on the metallic surface of work function ...

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  19. A metal surface is illuminated by a light of given intensity and frequ...

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  20. The stopping potential for acertain photosensitive metal is Vq when th...

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