An object is placed `10cm` away form a glass piecwe `(n = 1.5)` of length `20cm` bounded by spherical surfaces of radii of curvaure `10cm`. Find the position of final image formed after two refractions at the spherical surfaces.

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.

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.

An object is placed 50 cm from the surface of a glass sphere of radius 10 cm along the diameter. Where will the final image be formed after refraction at both the surfaces ? mu of glass =1.5 .

An object is placed 30 cm in front of a plano-convex lens with its spherical surface of radius of curvature 20 cm. If the refractive index of the material of the lens is 1.5, find the position and nature of the image formed.

A small object of height 0.5 cm is placed in front of a convex surface of glass (mu-1.5) of radius of curvature 10cm. Find the height of the image formed in glass.

A small object of height 0.5 cm is placed in front of a convex surface of glass (mu-1.5) of radius of curvature 10cm. Find the height of the image formed in glass.

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 –

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.