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 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 ocnvex refracting surface of radius of curvature 20 cm separeates 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 refractign surface.Calculate the position of the 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 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 concave spherical surface of refractive index 3//2 is immersed in water of refracitve index 4//3 .If a piont object lies in water at a distance of 10 cm from the pole of the refracting surfae,calculate the position of the image.Given that radius of curvature of the spherical surface is 18 cm.

A point object is situated in air at a distance of 20 cm from a convex refracting surface of 5cm radius. The position of the image is [ mu=1.5]

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 .