Air Expands on Heating
Air Expands on Heating
Air Expands on Heating:
We live on the earth which is surrounded by air. The layer of air surrounding the earth is called atmosphere.
Air expands on heating can be explained with the help of following experiment.
Aim: To show that air expands on heating
Material Required:
A small balloon, two buckets/mugs, hot water, and ice
Procedure:
Observation:
When the balloon is placed in ice-cold water, it develops wrinkles. The wrinkles disappear and the balloon gets back its shape when it is placed in hot water.
Air ________________on heating. | |||
| Right Option : A | |||
| View Explanation | |||
Which of the following are correct ? (a) The layer of air surrounding the earth is called atmosphere. (b) The gas thermometers are based on the fact that gases expand on heating. (c) If we place a hot air balloon over cold water, the air inside it cool down so it contracts. | |||
| Right Option : D | |||
| View Explanation | |||
Which of the following will rise the highest ? | |||
| Right Option : B | |||
| View Explanation | |||
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