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Question 26

Statement-1 : When ultraviolet light is incident on a photocell, its stopping potential is $$V_0$$ and the maximum kinetic energy of the photoelectrons is $$K_{\max}$$. When the ultraviolet light is replaced by X-rays, both $$V_0$$ and $$K_{\max}$$ increase. Statement-2 : Photoelectrons are emitted with speeds ranging from zero to a maximum value because of the range of frequencies present in the incident light. Of the four choices given after the statements, choose the one that best describes the two statements.

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