-47 Light in vacuum is incident on the surface of a glass slab. In the vacuum the beam makes an angle of 32.0deg with the normal to the surface, while in the glass it makes an angle of 21.0deg with the normal. What is the index of refraction of the glass?
47Light in vacuum is incident on the surface of a glass slab.In the vacuum the beam makes an angle of 32.0 with the normal to the surface, while in the glass it makes an angle of 21.0 with the normal. What is the index of refraction of the glass?