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The Photon Model

In a photoele...

Question

In a photoelectric emission process, the maximum energy of the photoelectrons increases with increasing intensity of the incident light.
(IIT-JEE, 1986)

A

True

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B

False

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Solution

The correct option is B False
$(K . E)_{m a x} = h v - h v_{0} \Rightarrow (K E)_{m a x} α v$
Thus, maximum kinetic energy is proportional to frequency and not intensity.

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Q. Assertion :The kinetic energy of the photoelectron ejected increases with increase in intensity of incident light. Reason: Increase in intensity of incident light increases the rate of emission.

Q. (A) The kinetic energy of the photoelectron ejected increases with increase in the intensity of incident radiation.
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