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प्रश्न
Why is a ventilator provided in a room?
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उत्तर
A ventilator is provided in a room because it helps in removing the hot air from the room and allows the fresh and cold air to come in.
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संबंधित प्रश्न
S.I. unit of temperature is :
Who am I?
I make things hot or cold.
At 0°C and 760 mm Hg pressure, a gas occupies a volume of 10Q cm3. The Kelvin temperature (Absolute temperature) of the gas is increased by one-fifth while the pressure is increased one and a half times. Calculate the final volume of the gas. [80 cc.]
A body absorbs 1680 J of heat energy. How many calories of heat is absorbed by the body?
Write down the SI unit of latent heat.
Convert the following temperature into Celsius scale:
32oF
Assertion: When water is heated up to 100°C, there is no raise in temperature until all water gets converted into water vapour.
Reason: Boiling point of water is 10°C.
