What is the speed of light in a medium of refractive index 6-5 if its speed in air is 3-00-000 km-s -

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Refractive Index

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Question

What is the speed of light in a medium of refractive index $\frac{6}{5}$ if its speed in air is 3,00,000 km/s ?

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Similar questions

1, 24, 000 k m / s

3, 00, 000 k m / s

X

1.5 \times 10^{8} m / s

3 \times 10^{8} m / s

X

Solve:

(1) The speed of light in a transparent medium is 2.4 × 10⁸ m/s. Calculate absolute refractive index of the medium.

(2) The speed of light in water and glass is 2.2 × 10⁸ m/s and 2 × 10⁸ m/s, respectively. What is the refractive index of −

(a) water w.r.t. glass

(b) glass w.r.t. water.

(3) Refractive index of water is 4/3 and speed of light in air is 3×10⁸ m/s. Find speed of light in water.

1.5 \times 10^{8} m / s

3 \times 10^{8} m / s

2.4

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