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The work function of aluminium is 4.2 eV...

The work function of aluminium is `4.2 eV`. If two photons , each of energy `3.5 eV` strike an electron of aluminium , then emission of electrons will be

A

Possible

B

Not possible

C

Data is incomplete

D

Depend upon the density of the surface

Text Solution

Verified by Experts

The correct Answer is:
B
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