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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.
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संबंधित प्रश्न
Comment upon the following:
rigidity, compressibility, fluidity, filling a gas container, shape, kinetic energy and density.
Arrange the following substances in increasing order of forces of attraction between particles -
water, sugar, oxygen
When an incense stick (agarbatti) is lighted in one corner of a room, its fragrance quickly spreads in the entire room. Name the process involved in this.
Give reason for the following observation :
The smell of hot sizzling food reaches us even from a considerable distance but to get the smell from cold food, we have to go close to it.
Explain why, diffusion occurs more quickly in a gas than in a liquid.
When a gas jar containing colourless air is kept upside down over a gas jar full of brown-coloured bromine vapour, then after some time, the brown colour of bromine vapour spreads into the upper gas jar making both the gas jars appear brown in colour. Which of the following conclusion obtained from these observations is incorrect?
Look at the diagram on the right side. Jar A contains a red-brown gas whereas jar B contains a colourless gas. The two gas jars are separated by a galas plate placed between them
- What will happen when the glass plate between the two jars is pulled away?
- What name is given to the phenomenon which takes place?
- Name the brown gas which could be in jar A.
- Which is the colourless gas most likely to be present in jar B?
- Name one coloured solid and one colourless liquid which can show the same phenomenon.
How does the substance of gaseous particles change to a liquid state?
Comment upon the following:-
rigidity
Explain why?
- A gas fills a vessel completely?
- Camphor disappears without leaving any residue.
