A Certain Photon After Being Scattered from a Free Electron

question 8

Multiple Choice

A certain photon after being scattered from a free electron at rest moves at an angle of 120° with respect to the incident direction. If the wavelength of the incident photon is 0.591 nm, what is the energy of the scattered photon?

• A) 1.05 × 10^-16 J
• B) 2.10 × 10^-16 J
• C) 5.71 × 10^-16 J
• D) 3.34 × 10^-16 J
• E) 4.21 × 10^-16 J

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