Consider light with a wavelength of 519 nm is passing through a diffraction grating with 1208 lines per cm. At what distance from the central bright maximum will the 1^{st} order maximum be seen on a screen placed 1.20 m from the diffraction grating. Give your answer in centimeters (cm) with 3 significant figures please. :)
= wavelength = 519 nm = 519 x 10^{-9} m
d = slit width = 0.01/1208 = 8.3 x 10^{-6} m
D = screen distance = 1.20 m
n = 1
y = distance from central bright maximum
using the equation
y = nD/d
y = 1 (1.20) (519 x 10^{-9}) /(8.3 x 10^{-6}) = 0.075 m = 7.50 cm
Consider light with a wavelength of 519 nm is passing through a diffraction grating with 1208...
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