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प्रश्न
What is green house effect?
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उत्तर
- Certain gaseous molecules present in the atmosphere absorb the infrared rays and reradiate the heat in all directions.
- Hence, these gases maintain the temperature of the earth’s surface.
- The gases which absorb these radiations are called greenhouse gases and this effect is called the greenhouse effect.
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संबंधित प्रश्न
Which of the following is not a greenhouse gas?
Give a reason for the following:
An excess of carbon dioxide increases the temperature of the earth.
Fill in the blank:
________________are examples of greenhouse gases.
State the impact of greenhouse gases on geographic, climatic and agricultural conditions.
Explain how promoting ‘afforestation’ and checking ‘deforestation’ reduces the release of greenhouse gases.
Give reason for the following:
In the absence of greenhouse gases, the surface temperature of the earth is maintained.
The diagram represents the greenhouse effect.
Which of the following – biofertilizers or nitrogenous fertilizers reduces the greenhouse gas – CO2? Explain.
What is a greenhouse?
A red hot ball is suspended from the ceiling of a room using a thin metallic wire.
Explain what role does the air in the room play in the loss of heat.
Name the chemicals which are used in refrigerators and air conditioners and damage ozone layer when released in air.
