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Work function of a metal is 2.1 eV. Whic...

Work function of a metal is `2.1 eV`. Which of the waves of the following wavelengths will be able to emit photoelectrons from its surface ?

A

4000 Å,7500 Å

B

5500 Å,6000 Å

C

4000 Å,6000 Å

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
D
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