What is a cataract?

Important Questions on Light

EASY

8th CBSE

IMPORTANT

Frank Experience Science>Chapter 16 - Light>EXERCISES>Q 1

What are rods and cones?

EASY

8th CBSE

IMPORTANT

Frank Experience Science>Chapter 16 - Light>EXERCISES>Q 2

What is a lateral inversion? Explain with the help of an example. 

MEDIUM

8th CBSE

IMPORTANT

Frank Experience Science>Chapter 16 - Light>EXERCISES>Q 3

What is meant by ' persistence of vision'? Give an example where this is useful.

EASY

8th CBSE

IMPORTANT

Frank Experience Science>Chapter 16 - Light>EXERCISES>Q 4

What kind of eyes does a butterfly have? How does the eye help the butterfly?

HARD

8th CBSE

IMPORTANT

Frank Experience Science>Chapter 16 - Light>EXERCISES>Q 1

Distinguish between regular and diffused reflection. Draw a diagram to show regular and diffused reflection of light.

HARD

8th CBSE

IMPORTANT

Frank Experience Science>Chapter 16 - Light>EXERCISES>Q 2

Describe how a kaleidoscope is made.

HARD

8th CBSE

IMPORTANT

Frank Experience Science>Chapter 16 - Light>EXERCISES>Q 3

Explain the structure of the human eye with a diagram.

HARD

8th CBSE

IMPORTANT

Frank Experience Science>Chapter 16 - Light>EXERCISES>Q 4

Why does white light split into seven colours?