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Q.The work function of a metal is 4.0 eV4.0 \text{ eV}. To emit photoelectrons with zero velocity from the surface of the metal, the wavelength of incident radiation should be:

a
210 nm210 \text{ nm}
b
310 nm310 \text{ nm}
c
410 nm410 \text{ nm}
d
510 nm510 \text{ nm}

Correct Answer: Option B

The correct solution involves applying the fundamental concept to derive the final value step by step...

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The work function of a metal is 4.0 \text{ eV}. To emit ph... | ParikshaNiti