A plastic hemisphere has a radius of curvature of `8 cm` and an index of refraction of `1.6` . On the axis halfway between the plane surface and the spherical one `( 4 cm ` from each `)` is a small object `O`.
The distance between the two images when viewed along the axis from the two sides of the hemisphere is approximately .

A plastic hemisphere has a radius of curvature of 8cm and an index of refraction of 1.6. On the axis halfway between the plane surface and the spherical one (4cm from each) is a small object O. The distance between the two images when viewed along the axis from the two sides of the hemisphere is approximately.

A plastic hemisphere has a radius of curvature of 8cm and an index of refraction of 1.6. On the axis halfway between the plane surface and the spherical one (4cm from each) is a small object O. The distance between the two images when viewed along the axis from the two sides of the hemisphere is approximately.

A glass hemisphere (mu=1.5) has a radius of curvature of 16 cm. A small object O is located on its axis halfway between the plane and spherical surface. The distance between two images , when viewed along the axis from the sides of the hemisphere is

A glass hemisphere (mu=1.5) has a radius of curvature of 16 cm. A small object O is located on its axis halfway between the plane and spherical surface. The distance between two images , when viewed along the axis from the sides of the hemisphere is

A point object ‘O’ is placed on the axis of a cylindrical piece of glass of refractive index 1.6 as shown in the figure. One surface of the glass piece is convex with radius of curvature 3 mm. The point appeared to be at 5 mm on the axis when viewed along the axis and from right side of convex surface. The distance of the point object from the convex surface is

A point object O is placed on the axis of a cylindrical piece of glass of refractive index 1.6 as shown in the figure. One surface of the glass piece is convex with radius of curvature 3mm. The point appeared to be at 5 mm on the axis when viewed along the axis and from right side of convex surface. The distance of the point object from the convex surface is :

A convex mirror of radius of curvature 70 cm and a plane mirror are placed face. The distance of separation between the mirrors is 28 cm. If a point source is placed on the principal axis in between the mirrors, two images are formed in the plane mirror. Determine the distance of the two images from the plane mirror.

A point object is placed at the centre of a glass sphere of radius 6 cm and refractive index 1.5.The distance of the virtual image from the surface of the sphere is

Two plane mirrors parallel to each other and an object O placed between them. Then the distance of the first three images from the mirror M2 will be (in cm) –

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.