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In a photoemissive cell, with exciting w...

In a photoemissive cell, with exciting wavelength `lambda`, the faster electron has speed v. If the exciting wavelength is changed to `3lambda//4`, the speed of the fastest electron will be

A

`v(3//4)^(1//2)`

B

`v(4//3)^(1//2)`

C

Less than `v(4//3)6(1//2)`

D

Greater than `v(4//3)^(1//2)`

Text Solution

Verified by Experts

The correct Answer is:
D
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