K K Gupta and Stalin Malhotra Solutions for Chapter: Light, Exercise 2: Let's revise

Author:K K Gupta & Stalin Malhotra

K K Gupta Science Solutions for Exercise - K K Gupta and Stalin Malhotra Solutions for Chapter: Light, Exercise 2: Let's revise

Attempt the free practice questions on Chapter 15: Light, Exercise 2: Let's revise with hints and solutions to strengthen your understanding. Frank Everyday Science solutions are prepared by Experienced Embibe Experts.

Questions from K K Gupta and Stalin Malhotra Solutions for Chapter: Light, Exercise 2: Let's revise with Hints & Solutions

MEDIUM
7th CBSE
IMPORTANT
Frank Everyday Science>Chapter 15 - Light>Let's revise>Q B

In a spherical mirror, if the reflecting surface is on the outside, it is called a _____ (convex/ concave) mirror.

MEDIUM
7th CBSE
IMPORTANT
Frank Everyday Science>Chapter 15 - Light>Let's revise>Q B

A _____ (concave/convex) lens is thicker in the middle and thinner at the edges.

MEDIUM
7th CBSE
IMPORTANT
Frank Everyday Science>Chapter 15 - Light>Let's revise>Q B

A _____(convex/concave) mirror is used as a reflector in projectors.

MEDIUM
7th CBSE
IMPORTANT
Frank Everyday Science>Chapter 15 - Light>Let's revise>Q D

Light is not a form of energy.

MEDIUM
7th CBSE
IMPORTANT
Frank Everyday Science>Chapter 15 - Light>Let's revise>Q D

A virtual image cannot be obtained on a screen.

MEDIUM
7th CBSE
IMPORTANT
Frank Everyday Science>Chapter 15 - Light>Let's revise>Q D

Yellow is a primary colour.

MEDIUM
7th CBSE
IMPORTANT
Frank Everyday Science>Chapter 15 - Light>Let's revise>Q D

A lens which is thicker in the middle and thinner at the ends is called a convex lens.

MEDIUM
7th CBSE
IMPORTANT
Frank Everyday Science>Chapter 15 - Light>Let's revise>Q D

The bending of rays of light on passing through a medium is called dispersion.