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.

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 spaces of refractive indices 1.0 and 4//3 . If radius of curvature of the surface is 10cm, find its power.

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 small point object is placed in air at a distance of 60 cm from the convex spherical refracting surface of refractive index 1.5.If radius of curvatrure of the spherical surface is 25 cm,calculate the power of the refracting surface.

A plano convex lens is made of material having refractive index 1.5. The radius of curvature of the curved surface is 20 cm. How far away from its optical centre will the image be formed if the object is at infinity ?

The focal length of a convex lens is 10 cm and its refractive index is 1.5 . If the radius of curvature of one surface is 7.5 cm, the radius of curvature of the second surface will be :

Find the focal length of plano-convex lens of material having refractive index of 1.5. Radius of curvature of convex surface is 10 cm.

(a) A point object, O is on the principle axis of a spherical surface having a radius of curvature, R. Draw a diagram to obtain the relation between the object and image distances, the refractive indicess of the media and the radius of curvature of the spherical surface.

The convex surface of a thin concavo-convex lens of glass of refractive index 1.5 has radius of curvature 10 cm. The concave surface has a radius of curvature 30 cm. The convex side is silvered and placed on a horizontal surface. Then where should a pin be placed on the optic axis such that its image is formed at the same place?