MEDIUM
7th CBSE
IMPORTANT
Earn 100

With the help of a diagram, show the dispersion of white light using a prism.

Important Questions on Light

EASY
7th CBSE
IMPORTANT
LEARNING SCIENCE>Chapter 15 - Light>Exercise>Q 2
Name the natural phenomenon which is caused by the dispersion of light.
MEDIUM
7th CBSE
IMPORTANT
LEARNING SCIENCE>Chapter 15 - Light>Exercise>Q 3
How can you distinguish between a plane mirror, a concave mirror and a convex mirror without touching them?
MEDIUM
7th CBSE
IMPORTANT
LEARNING SCIENCE>Chapter 15 - Light>Exercise>Q 1
Why do in automobiles, the rear view mirrors have warning written as ‘object seen in the mirror may be closer than they appear’?
MEDIUM
7th CBSE
IMPORTANT
LEARNING SCIENCE>Chapter 15 - Light>Exercise>Q 2

A person standing 6m away from a plane mirror moves 3m towards the mirror. Can you tell the distance between the person and the image?

MEDIUM
7th CBSE
IMPORTANT
LEARNING SCIENCE>Chapter 15 - Light>Exercise>Q 3
A convex and a concave lens are given to you to read a dictionary. Which of the two lenses would you use?
MEDIUM
7th CBSE
IMPORTANT
LEARNING SCIENCE>Chapter 15 - Light>Exercise>Q 4
Write down the English alphabet in which the image formed in a plane mirror appears to be the same as the alphabet. Give reason.