Question

light enters from air to glass having refractive index 1.50what is the speed of light in glass the speed of light in vacuum is 3 into 10 power 8 metre per second ​

Answer 1

Answer:

4.50 × 10⁸

Explanation:

refractive index =

speed of light in glass medium/speed if light in vaccum medium .

so,

as pes the question.

•1.50=Spd of lgt in glass medium/ 3×10⁸.

•1.50×3× 10⁸ = Spd of lgt in glass medium

•speed of light in glass medium = 4.50×10⁸

Answer 2

Answer:

4.50 × 10⁸

Explanation:

refractive index =

speed of light in glass medium/speed if light in vaccum medium .

so,

as pes the question.

•1.50=Spd of lgt in glass medium/ 3×10⁸.

•1.50×3× 10⁸ = Spd of lgt in glass medium

•speed of light in glass medium = 4.50×10⁸

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Explanation: