If a bicycle tube has a puncture in it, air inside the tube blows out of it. What is the proper reason behind it?

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Outside pressure of the tube is more than the inside pressure.

Outside pressure of the tube is less than the inside pressure.

Gravitational force suddenly becomes high on the tube

None of the above

answer is B.

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Detailed Solution

The correct option is

2

.
As the air is poured inside a bicycle tube, air exerts pressure on its walls. We know that air will move rapidly towards the less pressure zone,i.e. air. In general, the pressure outside the bicycle tube is lower than the pressure within. Also, air has a tendency to move from an area of high pressure to low pressure. Therefore, air rushes out of it when a bicycle tube develops a puncture.

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