Home
Class 12
PHYSICS
A thin plano-convax lens fits exactly in...

A thin plano-convax lens fits exactly into a plano concave lens with their plane surface parallel to each other as shown in the figure.the radius of the curvature of the curved surface `R=30cm` The lens are made of different material having refractive index`mu_(1)=(3)/(2)`and `mu_(2)=(5)/(4)`as shown in the figure

(i) if plane surface of the plano -convex lens is silvered,then calculate the equivalent focal length of this system and also calculate the nature of this equivalent mirror .
(ii) An object having transverse length `5cm`is placed on the axis of equivalent mirror(in part1)`at a distance`15cm` from the equivalent mirror along principal axis.Find the transverse magnification produced by equivalents mirror.

Text Solution

Verified by Experts

The correct Answer is:
60
Promotional Banner

Similar Questions

Explore conceptually related problems

The convex surface of a plano-convex lens is silvered and the radius of curvature of this surface is R. Find the focal length of the system:

The plane surface of a plano-convex lens of focal length f is silvered. It will behave as

A plano convex lens fits exactly into a plano concave lens. Their plane surfaces are parallel to each other. If the lenses are made of different materials refractive indices mu_(1) and mu_(2) and R is the radius curvature of the curved surface of the lenses, the focal length of the combination is

A plano convex lens fits exactly into a plano concave lens. Their plane surfaces are parallel to each other. If the lenses are made of different materials refractive indices mu_(1) and mu_(2) and R is the radius curvature of the curved surface of the lenses, the focal length of the combination is

A plano-convex lens fits exactly into a plano-concave lens. Their plane surfaces are parallel to each other. If the lenses are made of different material of refractive indices mu_(1) and mu_(2) and R is the radius of curvature of the curved surface of the lenses, then focal length of the combination is

A plano-convex lens is made of flint glass, its focal length is

A thin plano-convex lens fits exactly into a thin plano-concave lens. Their plane surfaces are parallel to each other. The lenses are made of different material of refractive indices mu_(1) and mu_(2) and R is the radius of curvature of the curved surfaces of the lenses, if rays are incident parallel to principal axis on lens of refractive index.

A plano convex lens fits exactly into a plano concave lens. Their plane surfaces are parallel to each other. If lenses are made of different materials of refractive index mu_(1)=4//3 and mu_(2)=6//5 and R = 40 cm is the radius of curvature of the curved surface of the lenses, then the focal length of combination (in meters) is.

A plano convex lens fits exactly into a plano concave lens. Their plane surfaces are parallel to each other. If lenses are made of different materials of refractive index mu_(1)=4//3 and mu_(2)=6//5 and R = 40 cm is the radius of curvature of the curved surface of the lenses, then the focal length of combination (in meters) is.

A plano-convex lens is made of refractive index of 1.6. The focal length of the lens is