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प्रश्न
How will you minimize heat loss due to the following:
Conduction
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उत्तर
As conduction requires a medium for transfer of heat so heat loss due to conduction can be minimized if the substance is kept away from any material medium.
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संबंधित प्रश्न
Prepare a brief speech on global warming. You have to deliver the speech in your class.
What do you mean by greenhouse effect?
A natural phenomenon that becomes harmful due to pollution.
Give the options for reducing green house gases by use of fuels better than fossil fuels.
Explain how promoting ‘afforestation’ and checking ‘deforestation’ reduces the release of greenhouse gases.
The diagram represents the greenhouse effect.
Name a process which (a) releases (b) absorbs – greenhouse gas – CO2.
The diagram represents the greenhouse effect.
Which of the following – biofertilizers or nitrogenous fertilizers reduces the greenhouse gas – CO2? Explain.
What is a greenhouse?
How will you minimize heat loss due to the following:
Convection
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.
