A concave spherical surface of radius of curvature `10 cm` separates two mediums `X` and `Y` of refractive indices `4//3` and `3//2` respectively. Centre of curvature of the surfaces lies in the medium `X`. An object is placed in medium `X`.

A concave spherical surface of radius of curvature 10 cm separates two medium x & y of refractive index 4/3 & 3/2 respectively. If the object is placed along principal axis in medium X then

A spherical convex surface of power 5 dioptre separates object and image space of refractive indices 1.0 and 4/3 respectively. The radius of curvature of the surface is

A concave spherical surface of radius of curvature R = 20 cm separates two media A and B having refractive indices mu_(A) =(4)/(3) and mu_(B) =(3)/(2) respectively. A point object is placed on the principal axis. Find the distance of the object from the surface so that its image is virtual when (a) the object is in medium A. (b) the object is in medium B.

A concave spherical surface of radius of curvature 100 cm separates two media of refractive indices 1.50 and (4)/(3) . An object is kept in the first medium at a distance of 30 cm from the surface. Calculate the position of the image.

A concave spherical surface of radius of curvature 100 cm separates two media of refractive indices 1.50 and (4)/(3) . An object is kept in the first medium at a distance of 30 cm from the surface. Calculate the position of the image.

A spherical surface of radius 30 cm separates two transparent media A and B with refractive indices 1'33 and 1.48 respectively. The medium A is on the convex side of the surface. Where should a point object be placed in medium A so that the paraxial rays become parallel after refraction at the surface ?

A spherical surface of radius 30 cm separates two transparent media A and B with refractive indices 1'33 and 1.48 respectively. The medium A is on the convex side of the surface. Where should a point object be placed in medium A so that the paraxial rays become parallel after refraction at the surface ?

A spherical surface of radius 30 cm separates two transparent media A and B with refractive indices 1'33 and 1.48 respectively. The medium A is on the convex side of the surface. Where should a point object be placed in medium A so that the paraxial rays become parallel after refraction at the surface ?

A spherical surface of radius 30cm separates two transparent media A and B with refractive indiecs 1.33 and 1.48 , respectively. The medium A is on the convex side of the surface. Where should a point object the placed in medium A so that the paraxial rays become parallel after refraction at the surface?

A convex surface of radius of curvature 40 cm separate two media of refractive indices (4)/(3) and 1.50. An object is kept in the first medium at a distance of 20 cm from the surface. Calculate the position of the image.