A laser pointer with a power output of 5.00 mW emits red light 1l = 700 nm2. (a) What is the magnitude of the momentum of each photon? (b) How many photons does the laser pointer emit each second?
Compton effect
The incoming photons' energy must be in the range of an X-ray frequency to generate the Compton effect. The electron does not lose enough energy that reduces the wavelength of scattered photons towards the visible spectrum. As a result, with visible lights, the Compton effect is missing.
Recoil Velocity
The amount of backward thrust or force experienced by a person when he/she shoots a gun in the forward direction is called recoil velocity. This phenomenon always follows the law of conservation of linear momentum.
A laser pointer with a power output of 5.00 mW emits red light
1l = 700 nm2. (a) What is the magnitude of the momentum of each
photon? (b) How many photons does the laser pointer emit each
second?
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