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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.
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
The green house gas is :
A renewable source of energy which causes minimum or no pollution.
What is a greenhouse?
Explain the term UV.
CFC's methane, nitrogen oxide and carbon dioxide can absorb ____________ radiations reflected from the earth's surface.
Which of the following is not a greenhouse gas?
Name the chemicals which are used in refrigerators, air conditioners and damage ozone layer when released in air.
The increase in the levels of greenhouse gases results in a gradual increase in the temperature of the earth’s surface.
Assertion: Greenhouse gases maintain the temperature.
Reason: Greenhouse gases absorb infrared rays.
Answer:
Explain the greenhouse effect with reference to the gases responsible for it and their sources.
