EASY
7th CBSE
IMPORTANT
Earn 100

Give reasons for the following:
Convex lens is used in a magnifying glass.

Important Questions on Light

EASY
7th CBSE
IMPORTANT
Frank Everyday Science>Chapter 15 - Light>Quiz time
Give reasons for the following.
Light gets split into seven colours while refracting from the prism.
EASY
7th CBSE
IMPORTANT
Frank Everyday Science>Chapter 15 - Light>Quiz time
Give reasons for the following.
We see a rainbow in the sky.
EASY
7th CBSE
IMPORTANT
Frank Everyday Science>Chapter 15 - Light>Quiz time
Give reasons for the following.
Lemons kept in a glass of water appear enlarged.
MEDIUM
7th CBSE
IMPORTANT
Frank Everyday Science>Chapter 15 - Light>Let's revise>Q A
Formation of shadows suggests that light travels in
EASY
7th CBSE
IMPORTANT
Frank Everyday Science>Chapter 15 - Light>Let's revise>Q A
A smooth polished surface which can return the rays of light into the same medium is called a
MEDIUM
7th CBSE
IMPORTANT
Frank Everyday Science>Chapter 15 - Light>Let's revise>Q A
The phenomenon of splitting white light into its seven constituent colours is called _____.
MEDIUM
7th CBSE
IMPORTANT
Frank Everyday Science>Chapter 15 - Light>Let's revise>Q A
If the speed of rotation of Newton’s colour disc is fast enough, the various colours would blend and produce
MEDIUM
7th CBSE
IMPORTANT
Frank Everyday Science>Chapter 15 - Light>Let's revise>Q A
A virtual image larger than the object can be produced by a