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प्रश्न
Thermal expansion is always a nuisance.
पर्याय
True
False
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उत्तर
Thermal expansion is always a nuisance- False.
Correct statement
Thermal expansion is always beneficial.
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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.
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.
In the ball and ring experiment, if the ball after heating is left to cool on the ring for sometime, the ball again passes through the ring. Explain the reason.
A metal plate is heated. State three factors on which the increase in its area will depend.
A cubical metal solid block is heated. How will its volume change?
An iron washer is heated. State the effect on its internal diameter.
Analogy:
Ordinary glass:: Glass tumbler.
Pyrex glass:: ______.
What type of glassware is used in laboratories? Why?
