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प्रश्न
What are the different types of thermal expansions?
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उत्तर
There are three types of thermal expansion
(a). Linear expansion
(b). Superficial expansion
(c). Cubical expansion
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संबंधित प्रश्न
What is matter? What is it composed of?
Two identical rods of copper are heated to different temperatures — one by 5°C and the other by 10°C. Which rod will expand more?
An iron washer is heated. State the effect on its mass.
An iron washer is heated State the effect on its density.
An iron washer is heated. State the effect on its internal diameter.
Give scientific reason.
The telephone wires which sag in summer become straight in winter.
Define the following term:
Coefficient of superficial expansion
Give reasons for the following:
In cold countries, water pipes burst in winter.
If you heat a circular disk with a hole, what change do you expect in the diameter of the hole? Remember that the effect of heating increases the separation between any pair of particles.
How solids are expanded on heating?
