First slide

Radiation

Question

Two circular discs A and B with equal radii and mass are blackened. They are heated to same temperature and are cooled under identical conditions. What inference can be drawn from their cooling curves?

Moderate

A

A and B have same specific heats
B

specific heat of A is less
C

Specific heat of B is less
D

nothing can be said

Solution

$\frac{d θ}{d t} = \frac{K}{m s} (θ - θ_{o})$

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