Question

Calculate the high of the glycerine
column if it is used to place of mercury in a barometer showing stembard atmospheric
pressure.
(Density of glycerine = 1,26 g/cm3 and the density of mercury = 3.534 g/cm3)​

Answer 1

Explanation:

Let the pressure be P, so pressure P will be same for both liquid.

Now P=ρ

mercury

gh, here h is given as 74 cm

For other liquid P=ρ

liquid

gH, H is height of liquid column.

Now equating both equations,

P=ρ

mercury

gh=ρ

liquid

gH

13.6×74=5.44×H

H=185cm

Answer 2

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