A photon of violet light (wavelength = 405 nm) and a ball (mass = 1.30 x10^-3 kg) have the same momentum. At what speed is the ball moving?
- FiremanLv 71 month agoFavorite Answer
As P(photon) = h/λ
=>mv (ball) = h/λ
=>v = h/mλ=>v = (6.63 x 10^-34)/[(1.30 x 10^-3) x (405 x 10^-9)] =>v = 1.26 x 10^-24 m/s