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Question

If an inflated balloon is punctured, air escapes from the balloon. What inference can we deduce from this?


A

Pressure in balloon is greater than atmospheric pressure.

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B
Air inside the balloon is hot.
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C

Air inside the balloon is cold.

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D

The molecules of air inside the balloon are stationary.

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Solution

The correct option is A

Pressure in balloon is greater than atmospheric pressure.


The air inside an inflated balloon exerts pressure on the balloon. This pressure in balloon is greater than atmospheric pressure. Hence, when the balloon is punctured, air escapes from inside the balloon to the atmosphere.


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