A diffraction grating has 300 lines per mm. If light of wavelength 630 nm is sent through this grating, at what angle does the first order maximum occur?
A)56°
B)44°
C)22°
D)11°
E)28°

Question

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The Answer of A diffraction grating has 300 lines per mm. If light of wavelength 630 nm is sent through this grating, at what angle does the first order maximum occur?
A)56°
B)44°
C)22°
D)11°
E)28°

A Diffraction Grating Has 300 Lines Per Mm