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The stopping potential as a function of ...

The stopping potential as a function of the frequency of the incident radiation is plotted for two different photoelectric surfaces `A` and `B` . The graphs show that work function of `A` is

A

less

B

more

C

equal

D

nothing can be said

Text Solution

Verified by Experts

The correct Answer is:
A
(a) : The value of threshold frequency `v_(0)` for A is less than for B, hence `phi_(A)ltphi_(B)`.
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NCERT FINGERTIPS ENGLISH-DUAL NATURE OF RADIATION AND MATTER -EINSTEIN S PHOTOELECTRIC EQUATION : ENERGY QUANTUM OF RADIATION
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  9. Two identical photocathodes receive light of frequencies v(1) and v(2)...

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  14. represents a graph of most energetic photoelectrons K(max)(in eV) and ...

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  16. For a certain metal v is the five times of v(0) and the maximum veloci...

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  17. A light of wavelength 600 nm is incident on a metal surface. When ligh...

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  18. The threshold frequency of a certain metal is 3.3xx10^(14)Hz. If light...

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