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प्रश्न
How will you prove by an experiment that solids occupy space ?
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उत्तर
Experiment to show that solids occupy space :
Take a glass bowl. Place a glass tumbler full of water in it. Now tie a stone with thread and lower into the water. Some water flows out of tumbler into bowl. When we remove stone from tumbler the level of water in tumbler comes down. This shows that solids occupy space.
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संबंधित प्रश्न
Why do solids, liquids and gases differ in their physical states ?
Write your observation and conclusion for the following.
When a small stone is gently dipped into a glass filled with water.
Write whether the following statement is true or false.
Only water can exist in three different states.
Give two examples of the following:
Substances which do not change their states.
There are large intermolecular gaps in
- water
- iron ball
- common salt
- air
Give reason Gases can be compressed easily .
Define the following term of Molecule .
Give reasons for the following:
A bottle of perfume on opening evolves an odour which can be sensed over a long distance.
Name the three states of matter.
Give a reason for the following:
Liquids have one free upper surface only.
