Physics, asked by saanvi17gupta, 1 year ago

To measure the atmospheric pressure, the space (labeled A) above the mercury
level in a barometer tube is

a) Filled with nitrogen
b) Filled with air
c) Filled with water
d) Essentially vacuum
Please answer fast

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Answered by pardhupaddu

0

Answer:

option d...is correct...that vacuum place is toricellis vacuum place...

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