Mht Cet
Heat And Thermodynamics
MHT CET 2021 24th September Evening Shift
MCQ+1 / -02021
A metal sphere cools at the rate of \(1.5^{\circ} \mathrm{C} / \mathrm{min}\) when its temperature is \(80^{\circ} \mathrm{C}\). At what rate will it cool when its temperature falls to \(50^{\circ} \mathrm{C}\). [Temperature of surrounding is \(30^{\circ} \mathrm{C}\)]