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Q.

When the intensity of light is increased

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a

Photo electric current increases

b

Velocity of the emitted photo electrons increases.

c

All the above

d

Kinetic energy of the emitted photo electrons increases.

answer is C.

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Detailed Solution

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Intensity increases means no of photon increases of same frequency hence more electron will collide with photon as a result more no of photoelectron hence more photocurrent will be produced.

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