(d) Given, h1=50cm,T1=50∘C h2=60cm,T2=100∘C Let the density of the given liquid at STP be ρ0, if both vertical columns balance each other, then their pressure should be equal. i.e., p=ρgh
⇒ρ1gh1=ρ2gh2 ⇒
ρ1
ρ2
=
h1
h2
If r be the coefficient of absolute expansion of liquid, then, ρ1=