An object is placed at a distance of 10 cm (in a medium of μ = 1) from the pole of a spherical refracting surface bounding a medium of μ = 1.5. If the image formed is virtual and at a distance of 40 cm, then the spherical surface is –

An object is placed at a distance of 20 cm from the pole of a concave mirror of focal length 10 cm. The distance of the image formed is

An extended object of size 2cm is placed at a distance of 10cm in air (n = 1) form pole, on the other side of refracting surface has refractive index n = 2 . Find the positon, nature and size of image formed after single refraction through the curved surface.

If the object is placed at a distance of 10 cm from a plane mirror, then the image distance is ______ .

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 ?

An extended object of size 2 cm is placed at a distance of 10 cm in air (n = 1) from pole, on the principal axis of a spherical curved surface. The medium on the other side of refracting surface has refractive index n = 2. Find the position, nature and size of image formed after single refraction through the curved surface.

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 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.

An object is placed at a distance of 25 cm from a spherical mirror, its image is formed behing the mirror at a distance of 5 cm. The focal length and type mirror is

Discuss refraction from denser to rerer medium at a convex spherical refracting surface.