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प्रश्न
What do you mean by linear expansion?
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उत्तर
Linear expansion is the increase in length of a solid on heating.
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संबंधित प्रश्न
Who is telling the truth?
Heat flows from an object at higher temperature to an object at lower temperature.
What is the difference between heat and temperature? What are their units?
Name the S.I. unit of heat and how is it related to the unit calorie?
What is the relation between α and γ?
Convert the following temperature into Fahrenheit scale:
850C.
Convert the following temperature into Celsius scale:
104oF
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?
