A non-relativistic free electron has kinetic energy K.If its wavelength doubles, its kinetic energy is:
A)4 K
B)2 K
C)K
D)K/2
E)K/4

Name: A non-relativistic free electron has kinetic energy K.If its wavelength doubles, its kinetic energy is: A)4 K B)2 K C)K D)K/2 E)K/4
Brand: Quizplus
Rating: 4.9 (37 reviews)

Question

Quizplus · Accepted Answer

The kinetic energy of a non-relativistic electron is inversely proportional to the square of its wavelength. Therefore, if the wavelength doubles, the kinetic energy becomes one-fourth of its original value, or K/4.

A Non-Relativistic Free Electron Has Kinetic Energy K