Question

The work function of a metal

A

Is different for different metals

B

Is the same for all the metals

C

Depends on the frequency of the light

D

Depends on the intensity of the incident light

Easy
Solution
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Correct option is A)

Correct Answer: Option (A)

The explanation for the correct answer:

Work function is defined as the minimum amount of energy required to remove an electron to infinity from the surface of a given solid or metal. 

Different metals have different work functions due to their difference of strength of bond with electrons.

Hence, the work function of a metal is different for different metals.

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