Given below are two statements Statement I: Stopping potent…

Physics Electron, Photon, Photoelectric Effect and X-rays Statement Based MCQ (Single Correct)

Given below are two statements

Statement I: Stopping potential in photoelectric effect does not depend on the power of the light source.
Statement II: For a given metal, the maximum kinetic energy of the photoelectron depends on the wavelength of the incident light.
In the light of above statements, choose the most appropriate answer from the options given below.

Both statement I and statement II are incorrect.

Statement I is correct but statement II is incorrect.

Both statement I and statement II are correct.

Statement I is incorrect but statement II is correct.

Text Solution

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The correct answer is:

Stopping potential,

Now,
So, stopping potential does not depend on intensity or the power of light incident on it. It only depends on frequency or wavelength of incident light.
So, both the statements are correct.

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