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 rays are trapped in Earth's atmosphere during green house effect ?

Right Option : D
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Question : 2

large CO_2 absorbs some of the ________ that radiates from the surface of Earth to space, thus increasing the global temperature.

Right Option : B
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Question : 3

Consider the following statements and select the option which correctly identifies true (T) and false (F) ones.

  1. Scrubbers are used to remove suspended particulate matter from factories.
  2. Excess carbon monoxide present in the atmosphere traps a lot of heat and leads to warming of Earth's surface.
  3. The suspended particulate matter. (less than 1 um) present in the air is known as aerosol.
  4. Kyoto protocol was signed to reduce the emission of greenhouse gases.

 

Right Option : D
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