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10^(-3) W of 5000 Å light is directed on...

`10^(-3)` W of `5000 Å` light is directed on a photoelectric cell. If the current in the cell is 0.16 mA, the percentage of incident photons which produce photoelectrons, is

A

0.004

B

0.0004

C

0.2

D

0.1

Text Solution

Verified by Experts

The correct Answer is:
B
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MOTION-MODERN PHYSICS -1-EXERCISE-1
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  9. If h is Plank's constant. Find the momentum of a photon of wavelength ...

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  10. When a centimeter thick surface is illuminated with light of wavelengt...

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  11. Out of a photon and an electron, the equation E= pc, is valid for

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  12. If a photocell is illuminated with a radiation of 1240 A, then stoppin...

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  15. If lamda0 stands for mid-wavelength in the visible region, the de Brog...

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  16. Light of wavelength lamda strikes a photoelectric surface and electron...

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  17. The angular momentum of an electron in the hydrogen atom is (3h)/(2pi)...

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  18. Consider the electron energy level diagram of H-atom Photons associate...

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