Question

PHYSICS
fill in the blank

The vacuum Above the mercury level in a barometer is called..............


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Answer 1

Answer:

Greater the atmospheric pressure, greater is the vertical height of the mercury column. The space above mercury is a vacuum. Torricelli was the first to explain this phenomenon; hence this empty space is called 'Torricellian vacuum'.

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Answer 2

Answer:

Torricellian Vacuum

Explanation:

The almost vacuum condition above the mercury in the barometer is known as Torricellian vacuum.