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The Vacuum caused in the barometer tube above the surface of mercury is called a

(1) Torricellian vacuum

(2) Static pressure

(3) Both Torricellian vacuum and Static pressure

(4) None

1 Answer

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Correct option is (1) Torricellian vacuum

When an empty inverted glass tube is dipped in mercury tub, mercury rises at some height in the tube due to atmospheric pressure. Above mercury there is a vacuum, which is called Torricelli's vacuum.

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