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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
Tabulate the differences in the characteristics of states of matter.
Give reasons:
A gas exerts pressure on the walls of the container.
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.
A girl is cooking some food in the kitchen. The smell of food being cooked soon reaches her brother's room. Explain how the smell could have reached her brother's room.
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 how, the smell of food being cooked in the kitchen reaches us even from a considerable distance.
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.
______ is not affected by gravity.
Two gases A and B having molecular weights 60 and 45 respectively are enclosed in a vessel. The wt. of A is 0.50 g and that of B is 0.2 g. The total pressure of the mixture is 750 mm. The partial pressure of the gases B is ______ mm Hg.
