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If the stopping potential for photoelect...

If the stopping potential for photoelectric emission is 0.75 V, the kinetic energy of the fastest photoelectrons is

A

0.75 V

B

7.5 eV

C

0.75 eV

D

`0.75 xx 10^(-19)J`

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The correct Answer is:
C
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CHHAYA PUBLICATION-QUANTUM THEORY-Exercise (Multiple Choice Questions)
  1. For a monochromatic light incident on a metal surface, the stopping po...

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  2. If in a photo-electric experiment, the wavelength of incident radiatio...

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  3. If the stopping potential for photoelectric emission is 0.75 V, the ki...

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  4. For a monochromatic light incident on a metal surface, the maximum vel...

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  5. For two monochromatic radiations incident on the same metal surface, t...

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  6. Energy of photon incident on a metal plate is twice its work function....

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  7. Work function of zinc is twice that of sodium. If the photoelectric th...

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  8. Threshold wavelength of a metal for electron emission is 5200Å. Which ...

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  9. When photons of energy 6eV is incident on a metal surface, the kinetic...

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  10. In case of photoelectric effect, the incident photon

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  11. Which of the following quantities has the same dimension as that of Pl...

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  12. In case of photoelectric effect, the graph of kinetic energy of photoe...

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  13. A body absorbs 5 xx 10^(29) photons of frequency 10^(20) Hz. Which of ...

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  14. The momentum of a photon (frequency = f, rest mass = 0) is

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  15. A monochromatic radiation of wavelength lamda and intensity I is incid...

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  16. The threshold frequency for a photosensitive metal is 3.3 xx 10^(14) H...

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  17. The anode voltage of a photocell is kept fixed. The wavelength lamda o...

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  18. A body of mass 60g is moving with a velocity of 10 m.s^(-1). The de Br...

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  19. If the de Broglie wavelength of a gas molecule at 0^(@)C be lamda, wha...

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  20. Two moving electrons have a ratio of 1 : 2 between their respective ki...

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