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प्रश्न
Comment upon the following:-
compressibility
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उत्तर
Compressibility is the ability to be reduced to a lower volume when force is applied.
संबंधित प्रश्न
Give a reason for the following observation.
We can get the smell of perfume sitting several metres away.
Arrange the following substances in increasing order of forces of attraction between particles -
water, sugar, oxygen
If the fish is being fried in a neighbouring home, we can smell it sitting in our own home. Name the process which brings this smell to us.
Fill in the following blank with suitable words :
Solid, liquid and gas are the three ........................ of matter.
Give two reasons to justify that Water is a liquid at room temperature.
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.
Why do gases diffuse very fast?
When a gas jar full of air is placed upside down on a gas jar full of bromine vapours, the red-brown vapours of bromine from the lower jar go upward into the jar containing air. In this experiment :
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:-
rigidity
