How is a spherical mirror obtained? 

Important Questions on Light and Reflection

MEDIUM

7th CBSE

IMPORTANT

Galaxy Science in Everyday Life>Chapter 15 - Light and Reflection>Chapter Review>Q 5

What do you understand by dispersion? Who observed it first? 

MEDIUM

7th CBSE

IMPORTANT

Galaxy Science in Everyday Life>Chapter 15 - Light and Reflection>Chapter Review>Q 6

An object held in left hand appears on right side in a plane mirror. Why?

MEDIUM

7th CBSE

IMPORTANT

Galaxy Science in Everyday Life>Chapter 15 - Light and Reflection>Chapter Review>Q 7

Why are concave mirrors and not convex mirrors used by dentists? 

MEDIUM

7th CBSE

IMPORTANT

Galaxy Science in Everyday Life>Chapter 15 - Light and Reflection>Chapter Review>Q 1

You are given a plane mirror, concave mirror and convex mirror. How will you identify each of them? 

HARD

7th CBSE

IMPORTANT

Galaxy Science in Everyday Life>Chapter 15 - Light and Reflection>Chapter Review>Q 2

What do you understand by the term 'reflection'? Write two important uses of the phenomenon of reflection.

MEDIUM

7th CBSE

IMPORTANT

Galaxy Science in Everyday Life>Chapter 15 - Light and Reflection>Chapter Review>Q 3

Mention the properties of images formed in a plane mirror. 

MEDIUM

7th CBSE

IMPORTANT

Galaxy Science in Everyday Life>Chapter 15 - Light and Reflection>Chapter Review>Q 4

A rainbow appears as a band of seven colours. Why?

EASY

7th CBSE

IMPORTANT

Galaxy Science in Everyday Life>Chapter 15 - Light and Reflection>Chapter Review>Q 5

Differentiate between convex and concave mirror.