A Photon Whose Energy Is 8

Multiple Choice

A photon whose energy is 8.00 × 10−¹⁵ J is scattered off an electron at a 90° angle. What is the wavelength of the scattered wave?

A) 2.73 × 10−¹¹ m
B) 2.25 × 10−¹¹ m
C) 2.50 × 10−¹¹ m
D) 2.40 × 10−¹² m
E) 2.48 × 10−¹¹ m