Exercise

Author:Embibe Experts

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

EASY
10th Maharashtra Board
IMPORTANT

Why do we have to bring a small object near the eyes in order to see it clearly?

EASY
10th Maharashtra Board
IMPORTANT

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

Question Image

EASY
10th Maharashtra Board
IMPORTANT

An eye lens focuses light behind the eye at cornea.

EASY
10th Maharashtra Board
IMPORTANT

How do we perceive different colours?

MEDIUM
10th Maharashtra Board
IMPORTANT

Give scientific reason:

One can sense colours only in bright light.

EASY
10th Maharashtra Board
IMPORTANT

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

EASY
10th Maharashtra Board
IMPORTANT

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

MEDIUM
10th Maharashtra Board
IMPORTANT

A convex lens held at some distance above  6 cm 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.