MEDIUM
7th CBSE
IMPORTANT
Earn 100

What type of lens is used by a dentist to examine teeth?

Important Questions on Light and Reflection

EASY
7th CBSE
IMPORTANT
Galaxy Science in Everyday Life>Chapter 15 - Light and Reflection>Chapter Review>Q 1
What is rectilinear propagation of light?
EASY
7th CBSE
IMPORTANT
Galaxy Science in Everyday Life>Chapter 15 - Light and Reflection>Chapter Review>Q 2
What are incident rays?
MEDIUM
7th CBSE
IMPORTANT
Galaxy Science in Everyday Life>Chapter 15 - Light and Reflection>Chapter Review>Q 3
What is the relation between radius of curvature and focal length of a concave mirror?
MEDIUM
7th CBSE
IMPORTANT
Galaxy Science in Everyday Life>Chapter 15 - Light and Reflection>Chapter Review>Q 4
How is a spherical mirror obtained? 
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?