Vaishali Gupta, Shalini Bajaj and, Supriya D.Sheshadri Solutions for Exercise 3: Exercises
Author:Vaishali Gupta, Shalini Bajaj & Supriya D.Sheshadri
Vaishali Gupta Science Solutions for Exercise - Vaishali Gupta, Shalini Bajaj and, Supriya D.Sheshadri Solutions for Exercise 3: Exercises
Attempt the free practice questions from Exercise 3: Exercises with hints and solutions to strengthen your understanding. Science Horizons solutions are prepared by Experienced Embibe Experts.
Questions from Vaishali Gupta, Shalini Bajaj and, Supriya D.Sheshadri Solutions for Exercise 3: Exercises with Hints & Solutions
EASY
7th CBSE
IMPORTANT
A rough surface reflects a parallel beam of light in a single direction.
EASY
7th CBSE
IMPORTANT
A virtual image can be formed on a screen or be touched.
EASY
7th CBSE
IMPORTANT
In a concave mirror the reflecting surface is the inner surface of the sphere.
EASY
7th CBSE
IMPORTANT
Concave lenses are used to make reading glasses.
EASY
7th CBSE
IMPORTANT
Write down three uses of curved mirrors.
EASY
7th CBSE
IMPORTANT
Why are concave mirrors used as dentist's mirrors?
EASY
7th CBSE
IMPORTANT
Would you use a convex or a concave lens if you want to focus the sun's rays to a point?
EASY
7th CBSE
IMPORTANT
How can we make a band of colours from white light? What is this band of colours called?
