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प्रश्न
Equal volumes of different liquids expand by a different amount when they are heated to the same rise in temperature.
विकल्प
True
False
उत्तर
True.
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संबंधित प्रश्न
What do you understand by thermal expansion of a substance?
State three factors on which depend the linear expansion of a metal rod on heating.
An empty glass bottle is fitted with a narrow tube at its mouth. The open end of the tube is kept in a beaker containing water. When the bottle is heated, bubbles of air are seen escaping into water. Explain the reason.
Give scientific reason.
An ordinary glass bottle cracks when boiling water is poured into it, but a borosil glass bottle does not.
Give scientific reason.
The telephone wires which sag in summer become straight in winter.
Give reasons for the following:
Telephone wires sag in summer.
Solids ______ on heating and ______ on cooling.
Thermal expansion is always a nuisance.
Borosilicate glass do not expand much on being heated.
