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The work function for photoelectric effe...

The work function for photoelectric effect

A

depends upon the frequency of incident light

B

is same for all metals

C

is different for different metals

D

none of these

Text Solution

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The correct Answer is:
C
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NIKITA PUBLICATION-ELECTRONS AND PHOTONS -MCQs
  1. The process , in which photoelectrons are emitted due to electromagnet...

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  2. Work function of metal is

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  3. The work function for photoelectric effect

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  4. Photoelectrons emitted from a metallic surface are those which are

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  5. Photoelectric effect is described as the ejection of electrons from th...

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  6. Photo electric effect can be explained only by assuming that light

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  7. The photoelectric effect is based on the law of conservation of

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  8. Photoelectric effect was successfully explained first by

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  9. In photoelectric effect

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  10. The momentum of a photon of wavelength lambda is

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  11. The rest mass of a photon of wavelength lambda is

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  12. In photoelectric effect, the number of photoelectrons emitted is propo...

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  13. A metallic surface ejects electrons when hit by green light but none w...

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  14. Photoelectric effect supports quantum nature of light because :

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  15. The strength of the photoelectric current depends upon

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  16. The threshold wavelength for photoelectric emission from a material ...

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  17. The frequency and the intensity of a beam of light falling on the surf...

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  18. In photoelectric effect the slope of straight line graph between stopp...

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  19. In photoelectric effect , photocurrent

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

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