In a particular case of Compton scattering, a photon collides with a free electron and scatters backwards. The wavelength after the collision is exactly double the wavelength before the collision. What is the wavelength of the incident photon?
A) 3.6 10-12 m
B) 4.8 10-12 m
C) 2.4 10-12 m
D) 1.2 10-12 m
E) 6.0 10-12 m
Question 2
A stick is moving along the x-axis at 90c. A person riding with the stick sees it inclined at 45. with respect to the x-axis. Observers in the rest frame see the stick making what angle with respect to the x-axis?
A) 79.
B) 66.
C) 53.
D) 45.
E) 88.
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