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

question 32

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? (m_el = 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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