Failed to connect to MySQL: Access denied for user 'examnext_online'@'localhost' (using password: YES) A rectangular glass slab ABCD of refractive index `n_1` is immersed in water of refractive index `n_2(n_1>n_2)`. A ray of light incident at the surface AB of the slab as shown. The maximum value of the angle of incidence `alpha_(max)`, such that the ray comes out only from the other surface CD, is given by - Sarthaks eConnect

A rectangular glass slab ABCD of refractive index `n_1` is immersed in water of refractive index `n_2(n_1>n_2)`. A ray of light incident at the surface AB of the slab as shown. The maximum value of the angle of incidence `alpha_(max)`, such that the ray comes out only from the other surface CD, is given by

A rectangular glass slab ABCD of refractive index `n_1` is immersed in water of refractive index `n_2(n_1>n_2)`. A ray of light incident at the surface AB of the slab as shown. The maximum value of the angle of incidence `alpha_(max)`, such that the ray comes out only from the other surface CD, is given by

A.

`sin^(-1)[n_1/n_2cos(sin^(-1) n_2/n_1)]`

B.

`sin^(-1)[n_1cos(sin^(-1) 1/n_2)]`

C.

`sin^(-1)(n_1/n_2)`

D.

`sin^(-1)(n_2/n_1)`