A thin prism of `6^@` angle gives a deviation of `3^@`. The refractive index of the material of the prism is.

A prism of angle 4^@ gives a deviation of 2.4^@ . The refractive index of the material of the prism is

A prism of angle 4^@ gives a deviation of 2.4^@ . The refractive index of the material of the prism is

A prism of angle 4^@ gives a deviation of 2.4^@ . The refractive index of the material of the prism is

A thin prism of 2^@ angle gives a deviation of 1^@ . What is the value of refractive index of the material of the prism?

A thin prism of 5^@ angle gives a deviation of 3.2^@ .What is the value of refractive index of teh material of the prism?

A thin prism of 20^@ angle gives a deviation of 1^@ . What is the value of refractive index of the material of the prism?