Question

$X$-rays of wavelength $22pm$ are scattered from a carbon target at an angle of $85^{\circ }$ to the incident beam. The Compton shift for X-rays is

• A. 2.2 pm
• B. 1.1 pm
• C. 0.55 pm
• D. 4.4 pm

Answer 1

Answer: (A)

${\lambda }^{\prime }-\lambda =\frac{h}{m_{0}c}(1-\cos \varphi )$