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प्रश्न
A red hot ball is suspended from the ceiling of a room using a thin metallic wire.
Suggest the way by which it loses the least amount of heat.
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उत्तर
The ball will lose the minimum amount of heat if it is polished.
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संबंधित प्रश्न
Define 'Greenhouse effect'.
Give scientific reasons : Use of CFC is banned in many countries.
A natural phenomenon that becomes harmful due to pollution.
How is the greenhouse effect created?
State the impact of greenhouse gases on geographic, climatic and agricultural conditions.
The greenhouse gas, which on combustion produces another greenhouse gas.
A red hot ball is suspended from the ceiling of a room using a thin metallic wire.
Name the ways in which the ball loses heat.
Name the chemicals which are used in refrigerators and air conditioners and damage ozone layer when released in air.
Assertion: Greenhouse gases maintain the temperature.
Reason: Greenhouse gases absorb infrared rays.
Answer:
What is green house effect?
