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The energy required to remove an electr...

The energy required to remove an electron from an aluminium surface is 4.2 eV. If two photons, each of energy 3.0 eV, strike an electron of aluminium, the emission of photoelectrons will

A

be possible

B

not be possible

C

be doubled

D

will decrease

Text Solution

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The correct Answer is:
B
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MARVEL PUBLICATION-ELECTRONS AND PHOTONS -TEST YOUR GRASP - 17
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