(a) In Color Plate 19a, red light with a wavelength of 633 nm strikes a grating at normal incidence ( 0). The grating spacing is d 1.6 m. At what angles are the n –1, n 1, and n 2 diffracted beams expected? (b) Explain why the n 3 diffracted beam is not observed.
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) In Color Plate 19a, red light with a wavelength of 633 nm strikes a grating at normal incidence ( 0). The grating spacing is d 1.6 m. At what angles are the n –1, n 1, and n 2 diffracted beams expected? (b) Explain why the n 3 diffracted beam is not observed.
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