QCEVault

Quantum theory — Question 217

Original QCE Vault practice · 1 mark

Q217 · Practice questionComplex familiar1 mark

QUESTION 217

A metal has threshold frequency f0f_0. The incident light frequency changes from 1.50f01.50f_0 to 2.00f02.00f_0. What is the new maximum photoelectron kinetic energy divided by its original value?
(A)
4/34/3
(B)
3/23/2
(C)
22
(D)
33
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