Question
Consider a monochromatic beam of light with a frequency of 209.2 THz (10 12 Hz). a) What is the momentum carried by each photon in
Consider a monochromatic beam of light with a frequency of 209.2 THz (1012 Hz).
a) What is the momentum carried by each photon in this beam? Answer in 10-28 kg m/s.
b) How many photons must be reflected (back in the direction they came from) off a mirror that has a mass of 0.2 kg in order to get this moving at a rate of 3.3 m/s? Answer in 1026 photons to two decimal places.
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Physics And The Ultimate Significance Of Time
Authors: David R. Griffin
1st Edition
088706115X, 9780887061158
