Greenhouse Effect


 
 
Concept Explanation
 

Greenhouse Effect

The greenhouse effect is a natural process that warms the Earth's surface. When the Sun's energy reaches the Earth's atmosphere, some of it is reflected back to space and the rest is absorbed and re radiated by greenhouse gases. One of the gas which causes greenhouse effect is Carbon dioxide(CO_2).

Greenhouse effect is caused by Infrared rays. The greenhouse effect is caused due to IR rays. Greenhouse effect: It is the process where infrared radiation from the Sun is absorbed by water vapor and certain gases in the atmosphere, thus increasing the temperature on the Earth.

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Sample Questions
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Question : 1

Which of the following gases is not a green house gas?

Right Option : D
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Question : 2

Read the following statements and select the correct statements about greenhouse gases :

  • A. Carbon dioxide is the gas in the atmosphere which causes global warming.
  • B. The greenhouse gases trap heat and do not allow heat to escape into outer space.
  • C. Water vapors do not contribute to greenhouse effect.
  • D. The presence of excessive greenhouse gases in the atmosphere is responsible for global warming.
Right Option : B
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Question : 3

Carbon dioxide absorbs some of the _________ that radiates from the surface of Earth to space.

Right Option : B
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