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

Practice More Questions on Our App!

Download our app for free and access thousands of MCQ questions with detailed solutions