A piece of metal of mass $5\ kg$ and temperature $-50\ ^oC$ is dropped in $20\ kg$ water at $52\ ^oC$ temperature. In thermal equilibrium temperature of water decreases by $2\ ^oC$, then specific heat of metal is ...... $ Cal/g\,^oC$
A piece of metal of mass $5\ kg$ and temperature $-50\ ^oC$ is dropped in $20\ kg$ water at $52\ ^oC$ temperature. In thermal equilibrium temperature of water decreases by $2\ ^oC$, then specific heat of metal is ...... $ Cal/g\,^oC$
- A
$0.02$
- B
$0.04$
- C
$0.08$
- D
$0.10$
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