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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
Kerosene contracts on heating.
Describe an experiment to showthat air expands on heating.
100 ml of each of the following liquid is heated from 10°C to 50°C. Which will expand more : (a) water (b) benzene (c) alcohol?
Water is heated from 0°C to 4°C. Will it expand?
Give scientific reason.
An ordinary glass bottle cracks when boiling water is poured into it, but a borosil glass bottle does not.
At what temperature the pure water has (a) maximum density (b) minimum volume?
What is meant by thermal expansion?
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.
Analogy:
Ordinary glass:: Glass tumbler.
Pyrex glass:: ______.
