Heat and Energy Exe-6D Very Short Answer Concise Physics ICSE Class-9 Selina Publishers

Heat and Energy Exe-6D Very Short Answer Concise Physics ICSE Class-9 Selina Publishers. There is the solutions of Very short Answer type Questions of your latest textbook which is applicable in 2024-25 academic sessionVisit official Website CISCE for detail information about ICSE Board Class-9.

Heat and Energy Exe-6D Very Short Answer Concise Physics ICSE Class-9 Selina Publishers

Heat and Energy Exe-6D Very Short Answer Type

Concise Physics ICSE Class-9 Selina Publishers.

Board ICSE
Class 9
Subject Physics
Writer / Publication Concise Selina Publishers
Chapter-6 Heat and Energy
Exe-6D Greenhouse Effect and Global Warming
Topics Solution of Exe-6(D) Very Short Answer Type
Academic Session 2024-2025


Exercise- 6D Greenhouse Effect and Global Warming

page -162

Very Short Answer :

Q1- What do you mean by greenhouse effect? 

Ans- Greenhouse  effect is the process of warming of planet’s surface and its lower atmosphere by absorbtion of infrared radiations of longer wavelength emitted out from the surface of planet.

Q2- Name three green house gases. 

Ans-Carbon-dioxide, water vapour and methane are greenhouse gases.

Q3- Which of the following solar radiations pass through the atmosphere of Earth? X -rays, ultraviolet rays, visible light rays or infrared radiation?

Ans- Visible light rays and infrared radiation.

Q4- Name the radiations which are absorbed by the green house gases.

Ans- Infrared radiations of long wavelength are absorbed by the green house gases.

Q5- What would have been the temperature of earth’s atmosphere in absence of green house gases in it?

Ans- In absence of green house gases, the average temperature on earth would be -18.

—  end of  Heat and Energy Exe-6D Very Short Answer Physics Class-9 ICSE Selina Publishers   :—

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