Advertisements
Advertisements
प्रश्न
Explain the three modes of transfer of heat.
Advertisements
उत्तर
Three modes of heat transfer are
(a). Conduction involves the transfer of heat from the hot end to the cold end from particle to particle of the medium.
(b). Convection is the transfer of heat from one body to another by the actual movement of the particles of the medium
(c). Radiation is the transfer of heat from one body to another without the need of an intervening material medium
APPEARS IN
संबंधित प्रश्न
Define temperature and write its S.I. unit.
Define one joule of heat.
What do you mean by linear expansion?
Is it possible to heat a liquid or gas from above? Explain your answer.
Give a scientific reason for the following:
In winter the birds fluff up their feathers.
The following figure shows a container in which a lighted candle has been kept. The container has two openings, p, and Q. Which way the smoke from an external source placed near P moves when it reaches P and leaves from Q. Give a reason for your answer.
Explain with a diagram, the effect of the spherical shape of the earth on the temperature at different latitudes.
State whether true or false. If false, correct the statement.
One Celsius degree is an interval of 1K and zero degree Celsius is 273.15 K.
When we cool the object the temperature of the object will be increased.
What is the concept of temperature?
