One side of a glass slab is silvered as shown. A ray of light is incident on the other side at a
Channel: Doubtnut
Date: 2020-01-19

One side of a glass slab is silvered as shown. A ray of light is incident on the other side at angle of incidence `i=45^(@)` . Refractive index of glass is given as `1.5`. The deviation of the ray of light from its initial path when it comes out of the slab is