Question

The refractive indices of glass and water w.r.t . air are 3/2 and 4/3 respectively. The refractive index of glass w.r.t. water will be
A. `(8)/(9)`
B. `(9)/(8)`
C. `(7)/(6)`
D. `1.5`

Answer 1

Correct Answer - B
`._(w)mu_(g) = (mu_(g))/(mu_(w)) = (3//2)/(4//3) = (9)/(8)`