Q. The graph between frequency of incident radiations and stopping potential for a given photosensitive material is as follows.

What information can be obtained from the value of the intercept on the potential axis?

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A

Work function

B

KE of electrons

C

Stopping potential

D

Frequency of photon

Solution:

Graph between frequency of incident radiation and stopping potential for a given photosensitive surface is shown below:

Intercept on the potential axis
Work function, Magnitude of intercept on the potential axis.

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