. The speed of the fastest emitted electrons will be

In a photoemissive cell, with exciting wavelength λ, the fastest electron has speed v. If the exciting wavelength is changed to 3λ/4

A. v(4/3)1/2

B. v(3/4)1/2

C. less than v (4/3)1/2

D. greater than v(4/3)1/2

Best Answer

Ans: D


Talk to Our counsellor