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Q.

If intensity of incident light is increased in photo electric effect then which of the following is true?

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a

Maximum K.E. of ejected electron will increase

b

Work function will remain unchanged

c

Stopping potential will decrease

d

Maximum K.E. of ejected electron will decrease

answer is B.

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Detailed Solution

with the increase in intensity of light photoelectric current increases, but Kinetic energy of ejected electron, stopping potential and work function remains unchanged.

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