Figure shows a glass hemisphere M of `mu = (3)/(2)` and radius 10 cm. a point object O is placed at a distance 20 cm behind the flat face which is viewed by an observer from the curved side. Find location of final image after two refractions as seen by observer.

A point object is placed at a distance 30 cm in front of a concave mirror of focal length 20 cm. Find the nature and location of image obtained.

A point object is placed at a distance 20 cm from the focus of a concave mirror of radius of curvature 20 cm. Find the distance (in cm) of the image from the focus.

A point object is placed at a distance 20 cm from the focus of a concave mirror of radius of curvature 20 cm. Find the distance (incm) of the image from the focus.

A solid glass sphere with radius R and an index of refraction 1.5 is silvered over one hemisphere. A small object is located on the axis of the sphere at a distance 2R to the left of the vertex of the unsilvered hemisphere. Find the position of final image after all refractions and reflection have taken place.

A double convex spherical glass has refractive index 1.5 and both radius of curvature 30 cm. A point object is placed at a distance of 120 cm from the spherical glass. What will be the position of the image formed ?

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.

There is a glass sphere of radius 20 cm having refractive index 1.5. A point object is embedded inside it at a distance 6 cm to the left of the centre. Locate the image for observer looking from left. Locate the image for observer looking from right.

In the figure shown , a point object O is placed in air on the principal axis. The radius of curvature of the spherical surfaces is 60 cm. I is the final image formed after all reflections and refractions.

An object is at a distance of d=2.5 cm from the surface of a glass sphere with a radius R=10 cm. Find the position of the final image produced by the sphere. The refractive index of glass is mu_1.5.