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प्रश्न
The increase in length of a metal rod depends on
पर्याय
the initial length of the rod only
the rise in temperature only
the material of rod only
all the above three factors.
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उत्तर
all the above three factors.
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संबंधित प्रश्न
Two iron rods – one 10 m long and the other 5 m long, are heated to the same rise in temperature. Which will expand more?
One rod of copper and another identical rod of iron are heated to the same rise in temperature. Which rod will expand more? Give reason.
A metal plate is heated. State three factors on which the increase in its area will depend.
What is meant by thermal expansion?
Define the following term:
Coefficient of superficial expansion
Give reasons for the following:
In cold countries, water pipes burst in winter.
A bimetal strip is shown in the below diagram before heating. Draw a diagram to show how it bends on heating and on cooling.
Thermal expansion is always a nuisance.
The expansion in volume is called linear expansion.
