AB and CD are surfaces of two slabs as shown in figure. The medium between the slabs has refractive index 2, refractive index of slab above `AB` is `sqrt2` and below CD is `sqrt3`. Find the minimum angle of incidence, so that the ray is totally reflected by both the slabs.

AB and CD are surfaces ot two slabs as shown in Figure . The medium between the slabs has refractive indes 2. Refractive indes of the slab above Ab is sqrt(2) and below CD is sqrt(3) . Find the minimum angle of incidence at Q, so that the ray is totally reflected by both the slabs.

AB and CD are surfaces ot two slabs as shown in Figure . The medium between the slabs has refractive indes 2. Refractive indes of the slab above Ab is sqrt(2) and below CD is sqrt(3) . Find the minimum angle of incidence at Q, so that the ray is totally reflected by both the slabs.

AB and CD are two slabs. The medium between the slabs has refractive index 2 . Find the minium angle of incidence of Q , so that the ray is totally reflected by both the slabs .

AB and CD are two slabs. The medium between the slabs has refractive index 2 . Find the minium angle of incidence of Q , so that the ray is totally reflected by both the slabs .

AB and CD are two slabs. The medium between the slabs has refractive index 2 . Find the minium angle of incidence of Q , so that the ray is totally reflected by both the slabs .

AB and CD are two slabs[Fig.2.61.].The medium between the slabs has refractive index 2.Find the minimum angle of incidence at Q, so that the ray is totally reflected by both the slabs. .

Refractive index of slab R if refracted ray cd is parallel to incident ray ab, is

For a slab, polarising angle is (pi)/(3) rad. What is the refractive index of the slab?

The critical angle of a glass slab in air is 30^(@) . What will be the critical angle if the slab is placed in a medium of refractive index sqrt(2)