A photon of wave length \( \lambda \) = 0.400 nm strikes an electron at rest and rebounds at an angle of 150° to its original direction. Find the wavelength of the photon after the collision. (h= 6.63 \( \times 10^{- 34} J - s ) \) )
A 40.45 nm
B 404.5 cm
C 0.4045 nm
D 4.045 km
Solution
Correct Answer: Option C