An inflated balloon is punctured, and the air escapes from it. What can we deduce from this?
A
The pressure inside the balloon is greater than the pressure outside.
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B
The pressure inside the balloon is lesser than the pressure outside.
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C
The air inside the balloon is hot.
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D
The air inside the balloon is cold.
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Solution
The correct option is A The pressure inside the balloon is greater than the pressure outside. A fluid always flows from a high-pressure region to a low-pressure region. Hence, the pressure inside the balloon is more than the pressure outside.