. 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
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