Draw a labelled diagram to show the formation of a rainbow.

Important Questions on The Human Eye and the Colourful World

HARD

10th CBSE

IMPORTANT

Modern's ABC+ Of Science Physics>Chapter 5 - The Human Eye and the Colourful World>Practice Exercise 5C>Q 1

What is atmospheric refraction? On the basis of this explain (a) how sun can be seen two minutes before sunrise (b) stars appear higher than their actual position (c) stars twinkle.

EASY

10th CBSE

IMPORTANT

Modern's ABC+ Of Science Physics>Chapter 5 - The Human Eye and the Colourful World>PRACTICE QUESTIONS>Q 1

The major convergence of rays reaching the eyes is done by

EASY

10th CBSE

IMPORTANT

Modern's ABC+ Of Science Physics>Chapter 5 - The Human Eye and the Colourful World>PRACTICE QUESTIONS>Q 2

Myopia is correct by

EASY

10th CBSE

IMPORTANT

Modern's ABC+ Of Science Physics>Chapter 5 - The Human Eye and the Colourful World>PRACTICE QUESTIONS>Q 3

Hypermetropia is corrected by

EASY

10th CBSE

IMPORTANT

Modern's ABC+ Of Science Physics>Chapter 5 - The Human Eye and the Colourful World>PRACTICE QUESTIONS>Q 4

The intensity of light entering the eye is controlled by

EASY

10th CBSE

IMPORTANT

Modern's ABC+ Of Science Physics>Chapter 5 - The Human Eye and the Colourful World>PRACTICE QUESTIONS>Q 5

A prism splits up a beam of white light into seven colours because _____ is different for different colour.

EASY

10th CBSE

IMPORTANT

Modern's ABC+ Of Science Physics>Chapter 5 - The Human Eye and the Colourful World>PRACTICE QUESTIONS>Q 6

Twinkling of stars is due to

EASY

10th CBSE

IMPORTANT

Modern's ABC+ Of Science Physics>Chapter 5 - The Human Eye and the Colourful World>PRACTICE QUESTIONS>Q 7

Ciliary muscles can change the focal length of eye lens. This phenomenon is responsible for