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The wrong statements among the following regarding photo electric effect–

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An Intiative by Sri Chaitanya

In this process total momentum is also conserved

Here photon and particle(electron) collision takes place and total energy is conserved.

Photocells are used in invisible U–V region for burglar alarm.

If a monochromatic radiation of frequency more than the threshold frequency is used then all electrons come out with same kinetic energy

answer is C.

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All electrons do not have the same KE as all are not coming from the same layers.

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