Two circular disc `A` and `B` with equal radii are blackened. They are heated to same temperature and are cooled under identical conditions. What inference do your draw from their cooling curves?

Options

A. A and B have same specific beats
B. specifice heat of A is less
C. specific heat of B is less
D. nothing came be said.

Answer

B

Explanation

`-(dt)/(dt)=(4sigmaAT_(0)^(3))/(ms)(T-T_(0))`
`-(dT)/(dt)prop(1)/(3)`