Relationship between Vapor Density & Relative Molecular Mass
A liquid whic...
Question
A liquid which has coefficient of volumetric expansion ofγ,is heated till there is a temperature change ofΔT. The density of the liquid after heating is. (initialdensityρ)
A
ρ′=ρ(1+γΔT)
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
ρ′=ρ−γΔT
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
ρ′=ρ(1−γΔT)
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
D
ρ′=ρ+γΔT
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution
The correct option is Cρ′=ρ(1−γΔT) We know that m=ρV=Constant⇒ρ′Vf=ρiVi⇒ρV=ρ′{V(1+γ×ΔT)}ρ′=ρ1+γΔTρ′=ρ(1−γΔT) Becasue γΔT<<1