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प्रश्न
Comment upon the following:-
rigidity
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उत्तर
The rigidity can be expressed as the tendency of matter to resist a change in shape.
संबंधित प्रश्न
Give reasons:
A gas fills completely the vessel in which it is kept.
Give reasons:
A gas exerts pressure on the walls of the container.
Name the physical state of matter which can be easily compressed.
Name two gases which are supplied in compressed form in homes and hospitals.
A bottle of perfume was opened in a room. The smell of its vapours spread in the entire room. Name the property of gases which is responsible for this behaviour of perfume vapours.
Give one example of diffusion of gases in a liquid.
A student placed a gas jar containing air in the upside down position over a gas jar full of red-brown bromine vapours. He observed that the red-brown colour spread upwards into the jar containing air. Based on this observation, the student concluded that it is only the bromine vapour which moves up and diffuses into air in the upper jar, the air from the upper jar does not move down by diffusion into the lower jar containing bromine vapours. Do you agree with this conclusion of the student? Give reason for your answer.
A substance has neither a fixed shape nor a fixed volume. State whether it is a solid, a liquid or a gas.
Why do gases not have fixed shape?
Comment upon the following:-
kinetic energy
