EXERCISES
Jharkhand Board Science Solutions for EXERCISES
Simple step-by-step solutions to EXERCISES questions of The Human Eye and the Colourful World from Science: Class 10. Also get 3D topic explainers, cheat sheets, and unlimited doubts solving on EMBIBE.
Questions from EXERCISES with Hints & Solutions
The far point of a myopic person is in front of the eye. What is the nature and power of the lens required to correct the problem?

Make a diagram to show how hypermetropia is corrected. The near point of a hypermetropic eye is . What is the power of the lens required to correct this defect? Assume that the near point of the normal eye is .

Why is a normal eye not able to see clearly the objects placed closer than ?

What happens to the image distance in the eye when we increase the distance of an object from the eye?

Why do stars twinkle?

Explain why the planets do not twinkle.

Why does the Sun appear reddish early in the morning?

Why does the sky appear dark instead of blue to an astronaut?
