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Question
State two characteristic properties of a gas.
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Solution
The characteristics of gases are listed below:
- Gases have neither a fixed shape nor fixed volume.
- Gases can be compressed easily into smaller volumes.
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| Fig. I | Fig. II |
In figure-I, an air column of length ℓ1 is entrapped by a column of Hg of length 8 cm. In figure-II length of same air column at the same temperature is ℓ2. The `ℓ_1/ℓ_2` is:
(1 atm = 76 cm of Hg)
