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प्रश्न
Define the following term:
Coefficient of superficial expansion
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उत्तर
The coefficient of superficial expansion is equal to the change in the area of a rod of area 1m2 when its temperature rises by 1°c.
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संबंधित प्रश्न
A longer rod expands ........... than a shorter rod on being heated to the same temperature.
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?
What is meant by thermal expansion?
What are the different types of thermal expansions?
Define the following term:
Coefficient of cubical expansion
Borosilicate glass do not expand much on being heated.
Give reason for the following
An ordinary glass bottle cracks when boiling water is poured into it, but a borosilicate glass bottle does not.
What is thermal expansion?
The expansion in volume is called linear expansion.
