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Q.

Photoelectric current

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a

Does not obey Ohm’s law.

b

Does not depend on exposure time.

c

Does not depend on frequency of incident light.

d

All the above

answer is D.

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Detailed Solution

Photoelectric current does not obey ohms law because current is not linear to potential difference applied.

It also does not depend on exposure time as the photoelectric effect is simultaneous.

The photoelectric current is independent of frequency of incident electrons as frequency of incident radiation only determines whether the electron will be ejected or not and the kinetic energy of electrons.

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