Physics, asked by Jcube, 1 year ago

Find the speed of light of wavelength of 760 mm in air. The refractive index of the medium is 1.55.

Answers

Answered by parmindergill1p2w8k7

Refractive index of a medium = Speed of light in vacuum/Speed of light in a medium

1.5 = 3 x 108 / Speed of light in medium

Speed of light in the medium = 3 x 108 /1.5
= 2 x 108 m/s

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