A Photon Whose Wavelength Is = 5

Multiple Choice

A photon whose wavelength is = 5.0 * 10 ^{- 11} m is scattered straight backward.What is the wavelength of the scattered wave?

A) 5.0 *10 ^{- 11} m
B) 4.5 *10 ^{- 11} m
C) 5.5 *10 ^{- 11} m
D) 6.0 *10 ^{- 11} m
E) 6.5 *10 ^{- 11} m