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 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 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 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 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.