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 above statements, choose the most appropriate answer from the options given below.
Options:

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Statement I is incorrect but statement II is correct

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

answer is D.

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Detailed Solution

$Stopping potential V_{S} = \frac{K E_{max}}{e} V_{S} = \frac{\frac{h C}{λ} - ϕ}{e}$

Stopping potential does not depend on intensity or power of light used, it only depends on frequency or wavelength of incident light.

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