A diffraction grating has 300 lines per mm.If light of frequency 4.76 × 10¹⁴ Hz is sent through this grating,at what angle does the first order maximum occur? (c = 3.00 × 10⁸ m/s) A)56° B)44° C)22° D)11° E)28°

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The Answer of A diffraction grating has 300 lines per mm.If light of frequency 4.76 × 10¹⁴ Hz is sent through this grating,at what angle does the first order maximum occur? (c = 3.00 × 10⁸ m/s) A)56° B)44° C)22° D)11° E)28°

A Diffraction Grating Has 300 Lines Per Mm