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Warm Air and Cool Air

A balloon is ...

Question

A balloon is fixed on the mouth of a bottle as shown in the image. What will be observed when the bottle is left in the sun for an hour?

A

The balloon will stay unaffected

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B

The balloon will deflate

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C

The balloon will inflate

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D

Anything can happen.

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Solution

The correct option is C The balloon will inflate
When the bottle is kept in sunlight for an hour it heats up and the air inside the bottle expands. Thus the balloon will inflate.

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