Question

The refractive indices of two media are 1.7 and 1.333 calculate the velocity of light in these two media

Answer 1

Refractive indices of two medias are 1.7 and 1.333

Velocity of light in air=3×10^8m/s

Refractive index of 1st medium =velocity of light in air/velocity of light in medium

1.7=3×10^8/x

velocity of light in medium =3×10^8/1.7

=1.76×10^8m/s

Refractive index of 2nd medium=velocity of light in air/velocity of light in 2nd medium

Velocity of light in 2nd medium =3×10^8/1.3

=2.30 ×10^8m/s

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