Light of wavelength 490.00 nm is incident normally on a diffraction grating, and the first-order maximum...

Question

Question

$Light of wavelength 490.00 nm is incident normally on a diffraction grating, and the first-order maximum is observed to be 31$

Answer 1

Answer #1

$Ans) Diffraction grating sind Nm m = Order of maxima ginen) 0 - 31° 490 X 109 m = 1 < 490 nm m N is slits per m ܘ ܝ sin 31 =$

Answer 2

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