A Gamma-Ray Photon of Energy 100 KeV Scatters Off an Electron

question 32

Multiple Choice

A gamma-ray photon of energy 100 keV scatters off an electron at an angle perpendicular to its original direction. Calculate the de Broglie wavelength of the recoiling electron.

• A) 13.5 × 10^-12 m
• B) 12.4 × 10^-12 m
• C) 14.8 × 10^-12 m
• D) 2.4 × 10^-12 m
• E) 9.54 × 10^-12 m

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