Exercise
Embibe Experts Science Solutions for Exercise
Simple step-by-step solutions to Exercise questions of Lenses from Science Crash Course (Based on Revised Syllabus-2023). Also get 3D topic explainers, cheat sheets, and unlimited doubts solving on EMBIBE.
Questions from Exercise with Hints & Solutions
Why do we have to bring a small object near the eyes in order to see it clearly?

In the figure of the human eye, the cornea is represented by the letter.

An eye lens focuses light behind the eye at cornea.

How do we perceive different colours?

Give scientific reason:
One can sense colours only in bright light.

_____ lenses are thicker in the middle than at the edges.

A convex lens is distinguished from a concave lens by the property of

A convex lens held at some distance above long pencil produces its image of same size. On shifting the lens by a distance equal to its focal length, it again produces the image of the same size as earlier. Determine the image size.
