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Q.

Statement-1 : When wavelength of incident radiation in a photoelectric experiment is decreased, then the stopping potential will decrease.
Statement-2 :  With decrease in wavelength, energy of incident light increases

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a

Both statements are false.

b

Statement-1 is false but statement-2 is true.

c

Both statements are true.

d

Statement-1 is true but statement-2 is false.

answer is C.

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Detailed Solution

Decreasing the λ of incident photon means energy of incident light is increased, so Ek increases and hence stopping potential increases.

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