MEDIUM
7th CBSE
IMPORTANT
Earn 100

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

Important Questions on Light and Reflection

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.
MEDIUM
7th CBSE
IMPORTANT
Galaxy Science in Everyday Life>Chapter 15 - Light and Reflection>Time to Think>Q 1
Why is an image formed only by a polished surface?
MEDIUM
7th CBSE
IMPORTANT
Galaxy Science in Everyday Life>Chapter 15 - Light and Reflection>Time to Think>Q 2
Why do rear view mirrors carry the warning 'objects seen in the mirror may be closer than they appear'?
MEDIUM
7th CBSE
IMPORTANT
Galaxy Science in Everyday Life>Chapter 15 - Model Test Paper -2>Model Test Paper-2 (Based on chapters 6, 9, 10, 11, 12, 14, 15, 17 and 18)>Q 5
Differentiate between real and virtual image.