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 R.D. of mercury = 13-6.​

Answer 1

Relative Density of Hg = 1.36

= 1.36 × 10^3 kgm^-3

Acceleration due to gravity = 9.8 ms ^ -2

Hight of mercury column = 0.70 m

Pressure = hpg

Let him be the hight of the water column

= h × 10^3 × 9.8

h = 9.52