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प्रश्न
Define of matter.
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उत्तर
Matter is anything which has mass, occupies space and can be percieved by our senses.
Example: Air, Book.
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संबंधित प्रश्न
What are molecules ?
Why liquids do not have a definite shape ?
What happens when a solid is heated ?
Give reason:
We can walk through air.
Give reason:
Liquids have definite volume but no difinite shape.
State the main postulates of the kinetic theory with special reference to – Inter-particle attraction.
State the main postulates of the kinetic theory with special reference to – Energy possessed by particles of matter.
With reference to inter-conversion of matter – on the basis of kinetic theory – explain in brief the conversion of A solid into a liquid With special reference to inter-particle space & interparticle attraction at the different stages of conversion.
With reference to inter-conversion of matter – on the basis of kinetic theory – explain in brief the conversion of A liquid into vapour [or gas] With special reference to inter-particle space & interparticle attraction at the different stages of conversion.
The kinetic energy of molecules in helium is ______ compared to the kinetic energy of molecules in water.
