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.
What is the maximum velocity of a photoelectron emitted from a surface with work function 6.2 eV when illuminated by 181-nm ultraviolet light? ( m electron = 9.11 × 10 −31 kg, h = 6.63 × 10 −34 J ⋅s, 1 eV = 1.60 × 10 −19 J, and 1 nm = 10 −9 m)
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