Exercises

Author:Vipul Singh, Anuradha Mukherjee & Jasmine Dhillon

Vipul Singh Social Science Solutions for Exercises

Simple step-by-step solutions to Exercises questions of Composition and Structure of the Atmosphere from New Longman Vistas. Also get 3D topic explainers, cheat sheets, and unlimited doubts solving on EMBIBE.

Questions from Exercises with Hints & Solutions

HARD
7th CBSE
IMPORTANT
New Longman Vistas>Chapter 4 - Composition and Structure of the Atmosphere>Exercises>Q 4

What is the significance of the ozone layer?

HARD
7th CBSE
IMPORTANT
New Longman Vistas>Chapter 4 - Composition and Structure of the Atmosphere>Exercises>Q 5

Which layer of the atmosphere makes radio communication possible?

HARD
7th CBSE
IMPORTANT
New Longman Vistas>Chapter 4 - Composition and Structure of the Atmosphere>Exercises>Q 1

With the help of a diagram describe the composition of the atmosphere.

HARD
7th CBSE
IMPORTANT
New Longman Vistas>Chapter 4 - Composition and Structure of the Atmosphere>Exercises>Q 2

How is the troposphere important for us?

HARD
7th CBSE
IMPORTANT
New Longman Vistas>Chapter 4 - Composition and Structure of the Atmosphere>Exercises>Q 3

Why is the thermosphere also called 'ionosphere'?

HARD
7th CBSE
IMPORTANT
New Longman Vistas>Chapter 4 - Composition and Structure of the Atmosphere>Exercises>Q 1

Distinguish between the mesosphere and the thermosphere.

HARD
7th CBSE
IMPORTANT
New Longman Vistas>Chapter 4 - Composition and Structure of the Atmosphere>Exercises>Q 2

Examine the significance of the atmosphere.

HARD
7th CBSE
IMPORTANT
New Longman Vistas>Chapter 4 - Composition and Structure of the Atmosphere>Exercises>Think and answer

Why does about 99% of the total mass of the atmosphere lie within a height of 32 km from the Earth's surface?