What is a real image?

Important Questions on Light

MEDIUM

7th CBSE

IMPORTANT

Living Science 7>Chapter 16 - Light>EXERCISES>Q C

What do you mean by lateral inversion?

EASY

7th CBSE

IMPORTANT

Living Science 7>Chapter 16 - Light>EXERCISES>Q C

A convex rear view mirror is preferred over a plane mirror in a car. Why?

HARD

7th CBSE

IMPORTANT

Living Science 7>Chapter 16 - Light>EXERCISES>Q C

A convex lens is said to have a real focus and a concave lens a virtual focus. Why?

EASY

7th CBSE

IMPORTANT

Living Science 7>Chapter 16 - Light>EXERCISES>Q C

What is a 'spectrum'?

MEDIUM

7th CBSE

IMPORTANT

Living Science 7>Chapter 16 - Light>EXERCISES>Q C

When does a convex lens form a virtual image? Is the virtual image bigger or smaller than the object?

MEDIUM

7th CBSE

IMPORTANT

Living Science 7>Chapter 16 - Light>EXERCISES>Q D

Draw a labelled diagram of an experiment to show rectilinear propagation of light.

MEDIUM

7th CBSE

IMPORTANT

Living Science 7>Chapter 16 - Light>EXERCISES>Q D

What are the characteristics of the image formed by a plane mirror?

MEDIUM

7th CBSE

IMPORTANT

Living Science 7>Chapter 16 - Light>EXERCISES>Q D

State three uses of concave mirrors.