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Electron volt (eV) is a unit of...

Electron volt (eV) is a unit of

A

energy

B

potential

C

current

D

charge

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The correct Answer is:
A
Electron volt is a unit of energy
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FULL MARKS-DUAL NATURE OF RADIATION AND MATTER-ADDITIONAL QUESTIONS -(MULTIPLE CHOICE QUESTIONS )
  1. The speed of an electron having a wavelength of 10^(-10) m is

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  2. If an electron and a photon propagate in the form of waves having the ...

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  3. Electron volt (eV) is a unit of

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  4. Photon of frequency v has a momentum associated with it. If c is the v...

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  5. The time taken by a photoelectron to come out after photon strikes is ...

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  6. Cathode rays consist of

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  7. The momentum of photon whose frequency is f is

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  8. The energy of photon of wavelength lambda is

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  9. The ratio of the energy of a photon with lambda = 150 nm to that with ...

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  10. Photons of 5.5 eV energy fall on the surface of the metal emitting pho...

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  11. The wavelength of photon is proportional to (where upsilon = fequency)

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  12. What is the energy of a photon whose wavelength is 6840 Å ?

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  13. Momentum of photon of wavelength lambda is

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  14. The momentum of a photon of energy 1 MeV is kg m/s will be

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  15. If a proton and electron have the same de-Broglie wavelength, then

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  16. Photoelectric effect can be explained by

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  17. Which of the following waves can produce photoelectric effect ?

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  18. Which light when falls on a metal will emit photoelectons ?

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  19. In photoelectric effect, the KE of electrons emitted from the metal su...

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  20. In photoelectric effect, electrons are ejected from metals, if the inc...

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