Question

refractive index of glass is 1.5 find the speech of light​

Answer 1

Answer:

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

Explanation:

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Answer 2

Answer:

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Explanation:

_Refractive index_

➭the ratio of the velocity of light in a vacuum to its velocity in a specified medium.

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

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.

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