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प्रश्न
What is matter? What is it composed of?
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उत्तर
MATTER: Anything around us is a matter.
“Anything that has mass, occupies volume and can be felt by our senses.”
It is composed of molecules.
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संबंधित प्रश्न
State one application of thermal expansion of liquids.
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?
At what temperature the pure water has (a) maximum density (b) minimum volume?
What is meant by thermal expansion?
Define the following term:
Coefficient of cubical expansion
What difference do you think heating the solid will make in their molecules?
The expansion in volume is called linear expansion.
Analogy:
Ordinary glass:: Glass tumbler.
Pyrex glass:: ______.
