Q.

What is Compton shift?

A. shift in frequency
B. shift in charges
C. shift in radiation
D. shift in wavelength
Answer» D. shift in wavelength
Explanation: when a photon collides with an electron at rest, the photon gives its energy to the electron. therefore the scattered photon will have higher wavelength compared to the wavelength of the incident photon. this shift in wavelength is called compton shift.
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