Question

Rl of glass with air- 3/2 that of water with air- 4/3. What ri of glass with water? What ri of water with glass? ​

Answer 1

Answer:

Explanation:

so RI of glass w.r.t air

Vg/Va = -3/2

Vg = -3/2 * Va

RI of water w.r.t air

Vw/Va= -4/3

Vw = -4/3 * Va

so RI of water w.r.t glass

Vw/Vg

(-3/2 * Va)/(-4/3 * Va)

(-3/2)/(-4/3)

(-3/2)*(-3/4)

9/8

so the RI of water w.r.t glass is 9/8.

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