In the Compton Scattering Experiment Shown in the Figure,a Monochromatic

question 38

Multiple Choice

In the Compton scattering experiment shown in the figure,a monochromatic beam of X-rays strikes a target containing free electrons.Scattered X-rays are detected with a wavelength of 2.50 × 10^-¹² m at an angle of 45° away from the original beam direction.What is the wavelength of the incident monochromatic X-rays? Note: The mass of an electron is 9.11 × 10^-³¹ kg.

• A)3.21 × 10^-¹² m
• B)2.86 × 10^-¹² m
• C)2.50 × 10^-¹² m
• D)2.03 × 10^-¹² m
• E)1.79 × 10^-¹² m

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