A concave lens forms a virtual image of an object that appears to be from the lens on…

PHYSICS · Multi-part · CBSE · Physics · Light — Reflection and Refraction · Light — Reflection and Refraction

Problem

A concave lens forms a virtual image of an object that appears to be 8 cm8\,\text{cm} from the lens on the same side as the object. The magnitude of the focal length of the lens is 20 cm20\,\text{cm}. Work out the following, clearly stating the sign of every quantity used. (a) Find the actual object distance from the lens. (b) Compute the linear magnification of the image. (c) Comment on the size and orientation of the image in comparison with the object.

Related theory

Browse the problem library