4.A monochromatic collimated light with a wavelength of = 600 nm is incident perpendicularly onto a diffraction grating. Two adjacent principal maxima appear in the direction of sin=0.2 and sin=0.3, and the fourth order is missing. (1) Calculate the grating constant d. (2) What is the minimum possible width a of the transmission slit? (3) According to the above selected d and a, find all the principal maxima orders that may appear on the screen.
4.A monochromatic collimated light with a wavelength of = 600 nm is incident perpendicularly onto a diffraction grating. Two adjacent principal maxima appear in the direction of sin=0.2 and sin=0.3, and the fourth order is missing. (1) Calculate the grating constant d. (2) What is the minimum possible width a of the transmission slit? (3) According to the above selected d and a, find all the principal maxima orders that may appear on the screen.
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Transcribed Image Text:4.A monochromatic collimated light with a wavelength of = 600 nm is incident perpendicularly onto a diffraction grating.
Two adjacent principal maxima appear in the direction of sin = 0.2 and sin0=0.3, and the fourth order is missing.
(1) Calculate the grating constant d.
(2) What is the minimum possible width a of the transmission slit?
(3) According to the above selected d and a, find all the principal maxima orders that may appear on the screen.
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