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प्रश्न
Explain the construction of a calorimeter. Draw the necessary figure.
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उत्तर
A device used for heat measurement is called a calorimeter.
Construction of a Calorimeter
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It consists of a metallic vessel and stirrers. They are made of copper or aluminum.
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The vessel is then kept inside a wooden jacket that contains heat-insulating materials.
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The outer wooden jacket acts as a heat shield and reduces the heat loss from the inner vessel.
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The outer jacket has an opening through which a mercury thermometer is inserted into the calorimeter.
Calorimeter
संबंधित प्रश्न
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.]
Define one joule of heat.
Define temperature and write its SI unit.
Is conduction possible in gases?
Convert the following temperature into Celsius scale:
113oF
Define the process of conduction.
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.
Give reasons why –
we wear woolen clothes in winter
