A convex spherical refracting surface with radius R separates a medium having refractive index `5//2` from air. As an object is moved towards the surface from far away from the surface along the principle axis, its image

A concave spherical refractive surface with radius R separates a medium of refractive index 5//2 from air. As an object is approaching the surface from far away from the surface along the central axis, its 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 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.

A convex refracting surface of radius of curvature 20 cm separates two media of refractive indices 4//3 and 1.60 . An object is placed in the first medium (mu = 4//3) at a distance of 200 cm from the refracting surface. Calculate the position of image formed.

A spherical surface of radius R separates air from a medium of refractive index mu . Parallel beam of light is incident, from medium side, making a small angle theta with the principal axis of the spherical surface. Find the co-ordinates of the point where the rays will focus in air.

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 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 spherical convex surface separates object and image space of refractive index 1.0 and 4//3 . If radius of curvature of the surface is 10 cm , find its power.

A spherical convex surface separates object and image space of refractive index 1.0 and 4/3. If radius of curvature of the surface is 10cm, find its power.