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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
Which one of the following is a Greenhouse gas?
Give a reason for the following:
An excess of carbon dioxide increases the temperature of the earth.
What would have been the temperature of earth's atmosphere in absence of green house gases in it?
Name the following:
Name three greenhouse gases.
Give the options for reducing green house gases by use of fuels better than fossil fuels.
How will you minimize heat loss due to the following:
Conduction
How will you minimize heat loss due to the following:
Radiation
Name the chemicals which are used in refrigerators and air conditioners and damage ozone layer when released in air.
CO2, N2O, CH4, and CFC are known as ______.
