Suppose the interference pattern shown in the figure below is produced by monochromatic light passing through a diffraction grating, that has 100 lines/mm, and onto a screen 1.75 m away. What is the wavelength of light if the distance between the dashed lines is 48.8 cm?

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Asked Nov 6, 2019
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Suppose the interference pattern shown in the figure below is produced by monochromatic light passing through a diffraction grating, that has 100 lines/mm, and onto a screen 1.75 m away. What is the wavelength of light if the distance between the dashed lines is 48.8 cm?

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Consider the distance between the slits of the diffraction grating be d, the wavelength of the light be λ, the distance between the constructive maxima, that is the...

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10 m 1 d mm 1.0x10 100 = 1.0 x10 m 1 mm 10 m 48.8 x102 m B 48.8 cm = 48.8 cm 1 cm L 1.75 m

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