A Beam of X-Rays at a Certain Wavelength Are Scattered

question 12

Multiple Choice

A beam of x-rays at a certain wavelength are scattered from a free electron at rest and the scattered beam is observed at 45.0° to the incident beam. What is the change in the wavelength of the x-rays? (mel = 9.11 × 10^-31 kg, h = 6.626 × 10^-34 J ∙ s, c = 3.00 × 10⁸ m/s)

• A) 0.175 pm
• B) 0.276 pm
• C) 0.000 pm
• D) 0.356 pm
• E) 0.710 pm

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