A concave lens made of a material of refractive index `mu_g` is immersed in a medium of refractive index `mu_l`,
equal to and

A concave lens made of a material of refractive index mu_g is immersed in a medium of refractive index mu_l , greater than,A paprallel beam of light is incident on the lens. Trace the path of emerged rays

A convex lens made of a material of refractive index mu_1 , is kept in a medium of refractive index mu_2 , Parallel rays of light are incident on the lens. Complete the pathof rays of light emerging from the convex lens if mu_1 = mu_2 .

A convex lens made of a material of refractive index 'mu_1' is kept in a medium of refractive index mu_2 , Parallel rays of light are incident on the lens. Complete the pathof rays of light emerging fromthe convex lens if mu_1 < mu_2 .

A double convex lens made from a material of refractive index mu_1 is immersed in a liquid of refactive index mu_2 where mu_2 > mu_1 . What change, if any, would occur in the nature of the lens?

A convex lens made of a material of refractive index mu_1 is kept ih a medium of refractive index mu_2 , Parallel rays of light are incident on the lens. Complete the path of rays of light emerging fromthe convex lens if mu_1 > mu_2 .

A convex lens made of material of refractive index n_1 is kept in a medium of refractive index n_1 . Parallel rays of light are incident on the lens. Complete the path of light emerging from the convex lens, if n_1 > n_2

A convex lens made of material of refractive index n_1 is kept in a medium of refractive index n_1 . Parallel rays of light are incident on the lens. Complete the path of light emerging from the convex lens, if n_1 = n_2