Mht Cet
Heat And Thermodynamics
MHT CET 2026 20th April Evening Shift
MCQ+1 / -02026
A sphere having temperature 600 K is losing heat due to radiation. At this temperature its rate of cooling is $R$. The rate of cooling of this sphere at 400 K is $\dfrac{x}{243}$. The value of $x$ is (Temperature of surrounding is 300 K)