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प्रश्न
Name the substance which contracts when heated from 00C to 40C.
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उत्तर
Water is the substance which contracts, when heated from 00C to 40C
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संबंधित प्रश्न
Define temperature on a conventional basis.
Define temperature and write its SI unit.
Define coefficient of linear expansion.
Why does a substance expand on heating?
What is the principle of the thermometer?
The following figure shows a rectangular box with two tubes P and Q at the top. A burning candle R is placed under the tube P. The candle burns brightly.
Explain:
(i) How is the air in the box circulating?
(ii) What will happen if the opening Q is closed?
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.
