Differentiate between curable and incurable blindness.

Important Questions on Refraction and Dispersion of Light

MEDIUM

8th CBSE

IMPORTANT

Sciwise - A coursebook of Science>Chapter 22 - Refraction and Dispersion of Light>PRACTICE TIME>Q 7

What is the name of a rectangular array or box in which each symbol in Braille is placed and represented through dots?

MEDIUM

8th CBSE

IMPORTANT

Sciwise - A coursebook of Science>Chapter 22 - Refraction and Dispersion of Light>EXERCISE>Q 1

When a ray of light moves from an optically rarer medium to an optically denser medium, the speed of light

MEDIUM

8th CBSE

IMPORTANT

Sciwise - A coursebook of Science>Chapter 22 - Refraction and Dispersion of Light>EXERCISE>Q 2

The phenomenon in which white light splits into seven colours whenever it passes through a prism is called:

MEDIUM

8th CBSE

IMPORTANT

Sciwise - A coursebook of Science>Chapter 22 - Refraction and Dispersion of Light>EXERCISE>Q 3

Through which of the following the ray of light goes undeviated but suffers a little displacement?

MEDIUM

8th CBSE

IMPORTANT

Sciwise - A coursebook of Science>Chapter 22 - Refraction and Dispersion of Light>EXERCISE>Q 4

If the object is placed at 2F, then its image forms:

MEDIUM

8th CBSE

IMPORTANT

Sciwise - A coursebook of Science>Chapter 22 - Refraction and Dispersion of Light>EXERCISE>Q 5

Which one of the following prevents the front part of the eye from collapsing due to change in atmosphere?

MEDIUM

8th CBSE

IMPORTANT

Sciwise - A coursebook of Science>Chapter 22 - Refraction and Dispersion of Light>EXERCISE>Q 6

Which one of the following forms a very clear image to be sent to the brain?

EASY

8th CBSE

IMPORTANT

Sciwise - A coursebook of Science>Chapter 22 - Refraction and Dispersion of Light>EXERCISE>Q 1

 The phenomenon in which the ray of light bends and deviates from the path it is travelling when it moves from one medium to another is called _____. (refraction of light / dispersion of light / reflection of light)