Question

the absolute refractive index of water is1.36 whar is the velocity of light?​

Answer 1

Velocity of light in air(C) = 3 × $10^{8}$ m/s

Velocity of light in water(V) = ?

refractive index = 1.36

refractive index  = $\frac{C}{V}$

1.36 = 3×$10^{8}$ / V

V =  3 × $10^{8}$ / 1.36

on solving

V = 2.2058......

V ≈ 2.20 m/s

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