HARD
7th CBSE
IMPORTANT
Earn 100

In your notebook, draw diagrams of a converging lens and a diverging lens. Show what happens to the beam of light that passes through each of them. Label the lenses as either concave or convex.

Important Questions on Light

HARD
7th CBSE
IMPORTANT
CONCERT Science 7>Chapter 15 - Light>STEP IN>Q 7
How do we know that sunlight is made up of light of different colours?
MEDIUM
7th CBSE
IMPORTANT
CONCERT Science 7>Chapter 15 - Light>STEP IN>Q 8
Draw a simple periscope. Label the object and observer's eye. With the help of lines, show how light is reflected to help us see an object that is not in the direct line of sight.
HARD
7th CBSE
IMPORTANT
CONCERT Science 7>Chapter 15 - Light>STEP UP>Q 1
Why do you see yourself much more clearly in your bathroom mirror than in the glass of your window pane?
EASY
7th CBSE
IMPORTANT
CONCERT Science 7>Chapter 15 - Light>STEP UP>Q 1
How much light passes through a plane mirror to the other side?
HARD
7th CBSE
IMPORTANT
CONCERT Science 7>Chapter 15 - Light>STEP UP>Q 1
What is a virtual image?
HARD
7th CBSE
IMPORTANT
CONCERT Science 7>Chapter 15 - Light>STEP UP>Q 1
What is the difference between a real image and a virtual image?
HARD
7th CBSE
IMPORTANT
CONCERT Science 7>Chapter 15 - Light>STEP UP>Q 2
Study the pictures and select the correct answer.
AQuestion Image B Question Image
In picture B, the stand holds a
HARD
7th CBSE
IMPORTANT
CONCERT Science 7>Chapter 15 - Light>STEP UP>Q 3
Why is a concave mirror used in a torch?