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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
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?
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At what temperature the pure water has (a) maximum density (b) minimum volume?
What is meant by thermal expansion?
Complete the following sentence:
When ice melts its volume ______ and density _______.
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
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What is thermal expansion?
Analogy:
Expansion is length:: Linear expansion.
Expansion in volume:: ______.
