A small point objects is placed in air at a distance of `60 cm` from a convex spherical refractive surface of `mu = 1.5`. If radius of curvature of spherical surface is `25 m`, calculate the position of the image and the power of the refracting surface.

A point object is placed in air at distance of 40 cm from concave refrating surface of refractive index 1.5.If rasius of curvature of he spherical urface is 20 cm,calcuulate the position of the image.

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 point object is placed in air at a distance of 40 cm from a concave refracting surface of refractive index 1.5. If the radius of curvature of the surface is 20 cm, then the position of the image is –

A small point object is placed at O at a distance of 0.60 metre in air from a convex spherical surface of refractive index 1.5 .If the radius of the curvature is 25cm then what is the position of the image on the principal axis.

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

A luminous point object is placed at a distance of 20 cm, from the pole of a convex spherical surface of glass. The radius of the curvature of the convex surface is 25 cm and the R.I. of the glass is 1.5. What is the distance of the image from its pole ?

A curved surface of mu= 1.5 forms a virtual image of an object which is placed in air at a distance of 15 cm from the surface. The image is formed at a distance of 60 cm, what is the radius of curvature of the curved surface? Also, calculate the power of curved surface and the two focal lengths of the surface.