AP EAPCET 19-Aug-2021 Shift 2 Paper

As we know that, during expansion due to
heating, change in volume ΔV=V0γΔT
Here, V0,γ and ΔT are initial volume, volumetric expansion coefficient and change in temperature.
Since, densicy (ρ)=

mass(m)

volume(V)

As volume increases by ΔV.
∴ Density decreases.