EASY
7th CBSE
IMPORTANT
Earn 100

Concave mirrors are used

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Important Questions on Light

MEDIUM
7th CBSE
IMPORTANT
SCIENCE Class 7>Chapter 15 - Light>LET'S Learn And EVALUATE>Q 5
A piece of transparent material with one or two spherical surface is called
EASY
7th CBSE
IMPORTANT
SCIENCE Class 7>Chapter 15 - Light>LET'S Learn And EVALUATE>Q 1
When light travels in a _____, (straight line, curved line) it is called rectilinear propagation of light.
EASY
7th CBSE
IMPORTANT
SCIENCE Class 7>Chapter 15 - Light>LET'S Learn And EVALUATE>Q 2
Absolutely still surface of water acts like a _____. (mirror / lens)
EASY
7th CBSE
IMPORTANT
SCIENCE Class 7>Chapter 15 - Light>LET'S Learn And EVALUATE>Q 3
A _____ (concave / convex) lens is thicker in the middle and tapering at the edges.
EASY
7th CBSE
IMPORTANT
SCIENCE Class 7>Chapter 15 - Light>LET'S Learn And EVALUATE>Q 4

A _____ is formed opposite to the position of the sun, after the rain.

EASY
7th CBSE
IMPORTANT
SCIENCE Class 7>Chapter 15 - Light>LET'S Learn And EVALUATE>Q 5
A smooth and polished curved surface which reflects light is called _____.(spherical mirror/black body)
EASY
7th CBSE
IMPORTANT
SCIENCE Class 7>Chapter 15 - Light>LET'S Learn And EVALUATE>Q 1

A mirror in which the reflecting surface curves inward is called a convex mirror.

EASY
7th CBSE
IMPORTANT
SCIENCE Class 7>Chapter 15 - Light>LET'S Learn And EVALUATE>Q 2
A lens which is thicker in the middle and tapering at the edges is called a convex lens.