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प्रश्न
Comment upon the following:-
kinetic energy
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उत्तर
Kinetic energy is the energy possessed by a particle due to its motion.
संबंधित प्रश्न
Give reasons:
A gas fills completely the vessel in which it is kept.
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.
Fill in the following blank with suitable words :
Solid, liquid and gas are the three ........................ of matter.
Explain why, when a bottle of perfume is opened in a room, we can smell it even from a considerable distance.
Explain why, diffusion occurs more quickly in a gas than 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.
Comment upon the following:-
compressibility
Comment upon the following:-
fluidity
Comment upon the following:-
density
Explain why?
- A gas fills a vessel completely?
- Camphor disappears without leaving any residue.
