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The number of photo-electrons emitted fo...

The number of photo-electrons emitted for light of a frequency `upsilon` (higher than the threshold frequency `upsilon_(0)`) is proportional to

A

Threshold frequency `(upsilon_(0))`

B

Intensity of light

C

Frequency of light `(upsilon)`

D

`upsilon - upsilon_(0)`

Text Solution

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The correct Answer is:
B
Photoelectric current `prop` Intensity of incident light
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FULL MARKS-DUAL NATURE OF RADIATION AND MATTER-ADDITIONAL QUESTIONS -(MULTIPLE CHOICE QUESTIONS )
  1. Kinetic energy of emitted electron depends upon

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  2. The work function of photometal is 6.626 eV. What is the threshold wav...

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  3. The number of photo-electrons emitted for light of a frequency upsilon...

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  4. The speed of an electron having a wavelength of 10^(-10) m is

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

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  6. Electron volt (eV) is a unit of

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

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

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  9. Cathode rays consist of

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  10. The momentum of photon whose frequency is f is

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  11. The energy of photon of wavelength lambda is

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

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

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

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

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  16. Momentum of photon of wavelength lambda is

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

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

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  19. Photoelectric effect can be explained by

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

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