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प्रश्न
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.
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उत्तर
As no material medium surrounds the ball so there is no possibility of losing heat by conduction or convection. The ball will lose heat by Radiation.
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संबंधित प्रश्न
Prepare a brief speech on global warming. You have to deliver the speech in your class.
What results in the increase of carbon dioxide contents of earth's atmosphere?
State the cause of increase of green house effect.
Fill in the blank:
________________are examples of greenhouse gases.
Name two more greenhouse gases.
A renewable source of energy which causes minimum or no pollution.
How will you minimize heat loss due to the following:
Conduction
Explain the term WHO.
The increase in the levels of greenhouse gases results in a gradual increase in the temperature of the earth’s surface.
Give two examples of Greenhouse gases.
