Ask a Question

Monochromatic light of wavelength 632.8 nm is produced by a helium-neon laser. The power emitted is 9.42 mW. How fast does a hydrogen atom have to travel in order to have the same momentum as that of the

0 votes
in 12th Physics by (6.7k points)
Monochromatic light of wavelength 632.8 nm is produced by a helium-neon laser. The power emitted is 9.42 mW.
How fast does a hydrogen atom have to travel in order to have the same momentum as that of the photon?

Please log in or register to answer this question.