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प्रश्न
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उत्तर
Three advantages of using mercury as a thermometric liquid:
(i) Mercury is a good conductor of heat.
(ii) Mercury has a high coefficient of expansion thus is sensitive to the smallest change in temperature.
(iii) Freezing points is very low and the boiling point is high.
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संबंधित प्रश्न
The increase in length of a metal rod depends on
State three factors on which depend the linear expansion of a metal rod on heating.
Describe an experiment to show that same volume of different liquids heated to same rise in temperature expand by different amounts.
An iron washer is heated. State the effect on its mass.
Give reasons for the following:
Telephone wires sag in summer.
Thermal expansion is always a nuisance.
Borosilicate glass do not expand much on being heated.
The expansion in volume is called linear expansion.
When we cool the liquid it will become ______.
