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A phsicist wishes to eject electrons by ...

A phsicist wishes to eject electrons by shining light on a metal surface. The light of wavelength of 450nm. The table lists the only available metals and their work functions.

Which metal(s) can be used to produce eletrons by the photoelectric efffect from given source of light ?

A

2.75 volt

B

4.5 volt

C

0.45 volt

D

0.25 volt

Text Solution

Verified by Experts

The correct Answer is:
C
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