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प्रश्न
Define of Brownian motion.
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उत्तर
Brownian motion: The haphazard, random motion of suspended particles on the surface of a liquid or in air is called ‘Brownian motion’.
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संबंधित प्रश्न
Give reason for the following.
Liquids can flow easily.
Give reason:
A gas fills up the space available to it.
Give reason:
We can walk through air.
Give reason:
When a teaspoon of sugar is added to half a glass of water and stirred, the water level in the glass does not rise.
Give an experiment to explain that there are intermolecular spaces between water molecules.
Write true or false for statement. Rewrite the false statement correctly.
The intermolecular space in a gas is almost negligible.
State the main postulates of the kinetic theory with special reference to – Inter-particle attraction.
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.
The kinetic energy of molecules in helium is ______ compared to the kinetic energy of molecules in water.
Give reason for the following
Particles of matter possess energy called kinetic energy.
