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 Form 1 Physics Exam Questions and Answers on Pressure

The diagram below shows a flask fitted with a glass tube dipped into a beaker containing water at room temperature. The cork fixing the glass tube is tight. State with reason what would be observed if cold water is poured on to the flask.
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Answer Text:
Water is sucked in to the glass tube Air in the flask contracts when cooled. Lowering pressure inside.


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