Question

The photocurrent in an experiment on photoelectric effect increases if 

A

The intensity of the source is increased

B

The exposure time is increased

C

The intensity of the source is decreased

D

The exposure time is decreased.

Medium
Updated on : 2022-09-05
Solution
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Correct option is A)

Increasing the intensity while keeping frequency fixed increases the number of photons hitting the metal and hence it increases the rate at which electrons are emitted. In turn the photocurrent increases.
So, the answer is option (A).

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