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The equation E=pc is valid...

The equation E=pc is valid

A

for an electron as well as for photon

B

for an electron but not for a photon

C

for a photon but not for an electron

D

neither for an electron nor for a photon

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The correct Answer is:
C
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MOTION-PHOTOELECTRIC EFFECT -EXERCISE-1 (OBJECTIVE QUESTIONS)
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  3. The equation E=pc is valid

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  4. The wavelength of a spectral line is 4000 Å. Calculate its frequency a...

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  5. A surface ejects electrons when illuminated by blue light but none wit...

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  6. Electrons of 0.5 eV energy are emitted from a metal surface when ...

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  7. Which metal will be suitable for a photo electric cell using light...

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  8. An electromagnetic radiation of frequency 3xx10^(15) cycles per second...

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  9. The work function of metal is 1 eV. Light of wavelength 3000 Å is inc...

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  10. Two differenct photons of energies, 1 eV and 2.5 eV, fall on two ...

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  11. The KE of the photoelectrons is E when the incident wavelength is (lam...

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  12. The threshold wavelength of tungsten is 2300 Å. If ultra voile...

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  13. If the frequency of light in a photoelectric experiment is doubled the...

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  14. The stopping potential for photo electrons does not depend on

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  15. The work function for the surface of aluminium is 4.2 eV. What will be...

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  16. Light of wavelength 3320 Å incidents on metal surface (work fun...

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  17. Using light of wavelength 6000 Å stopping potential is obtained ...

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  18. When light source is placed at 1 m distant from photo electric...

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  19. In the given diagram if V represent the stopping potential and...

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