Discussion :: Physics
- Cloudy nights are warmer compared to clear cloudless nights, because clouds mainly
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A.
Absorb heat from the atmosphere send it towards earth |
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B.
Prevent cold waves from the sky descending on earth |
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C.
Reflect back the heat given by earth |
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D.
Produce heat and radiate it toward earth |
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Answer : Option C
Explanation :
It is because the night side of Earth will radiate infra-red radiation (heat) back into space. When there is cloud cover, the clouds act like a blanket and trap the heat close to the ground just like a blanket traps heat close to our body.
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