Question

find the speed of light in glass if the refractive index of glass is 1.5 and c =3×10​

Answer 1

Answer:

⇒Refractive index of glass with respect to water = speed of light in air / speed of light in glass.

⇒refractive index =1.5

⇒1.5 = 3×10^8 / speed of light in glass.

⇒speed of light in glass = 3 × 10^8 / 1.5.

⇒⇒⇒⇒⇒⇒⇒⇒⇒⇒⇒⇒⇒⇒⇒        = 2 x 10^8 m/s.

⇔⇔⇔⇔⇔⇔⇔⇔⇒⇒⇒⇒⇒⇒⇒⇒⇒⇒⇒⇒⇒⇒hope its helps you dear

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