Question

Land and sea breezes help to maintain the
of air.
Transfer of heat, from the sun to the earth, takes place mainly through the
process of
3.
1.
Write True or False for the following statements.
Heat cannot be produced by doing work.
No gaps are left between the rails of railway tracks.
2.
3.
Poor conductors of heat are also good insulators of heat.
Ventilators, when provided in rooms, are located near their roofs.
A material medium is required for transfer of heat by the process
of radiation.
5.
ick () the correct option.
A copper ball at 30°C is put in a container, containing water at 30°C. I​

Answer 1

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