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The kinetic energy (KR) of photoelectron...

The kinetic energy (KR) of photoelectron emitted on irradiating a metal surface with frequency `.vartheta.` is related by `KE = h vartheta - IE`. The plots of K.E vs incident frequency is a straight line which shows

A

slope equal to planck.s constant

B

intercept on x-axis equal to the product of threshold frequency & planck.s constant

C

with extrapoloated on y-axis equal to IE

D

with intercept on x-axis equal to threshold frequency

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The correct Answer is:
A, C, D
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