Question

At a given place, a mercury barometer records a
pressure of 0.70 m of Hg. What would be the
height of water column if mercury in barometer
is replaced by water ? Take density of mercury to be
13.6 x 10 kg m-3.​

Answer 1

Answer:

height of water=density of mercury/density of water*height of mercury

height of water=0.70*13.6

=9.52m

Answer 2

Answer:

Explanation:

Height of mercury in barometer : 0.70 m

If water is replaced by mercury then resulting reading : ?

Density of hg : 13600 kg/m^3

Density of water :1000kg /m^3

Height of water in barometer if replaced by mercury is

=>height of water =density of hg /density of water multiplied by height of mercury

=>h=13600/1000 x 0.70 => 13.6 x 0.70

= 9.52m

Therefore, the height of water when displaced by mercury is 9.52 m

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