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प्रश्न
The increase in length of a metal rod depends on
विकल्प
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
Equal volumes of different liquids expand by a different amount when they are heated to the same rise in temperature.
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 cubical metal solid block is heated. How will its volume change?
Describe an experiment to showthat air expands on heating.
A bimetal strip is shown in the below diagram before heating. Draw a diagram to show how it bends on heating and on cooling.
Give reason for the following
An ordinary glass bottle cracks when boiling water is poured into it, but a borosilicate glass bottle does not.
Analogy:
Expansion is length:: Linear expansion.
Expansion in volume:: ______.
What type of glassware is used in laboratories? Why?
