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Standard XII
Physics
Question

The work function of a metal
  1. Is different for different metals
  2. Is the same for all the metals
  3. Depends on the frequency of the light
  4. Depends on the intensity of the incident light

A
Depends on the frequency of the light
B
Depends on the intensity of the incident light
C
Is different for different metals
D
Is the same for all the metals
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Solution
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Answer is A.
Work function depends on nature of material.
∴ work function is different for different materials.

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