The refractive index of a material of a concave lens is `n_1`. It is immersed in medium of refractive index `n_2`. A parallel beam of light if incident on the lens. Trace the path of the emergent lays when
`n_2 = n_1`

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 material of refractive index n_1 is kept in a medium of refractive index n_2 . 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

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 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 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 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 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 .