Difficult
$A$ metal rod of silver at $0^{\circ}C$ is heated to $100^{\circ}C$. Its length increases by $0.19\, cm$. If the original length of the rod is $100\, cm$,the coefficient of cubical expansion of the silver rod is:
- A$5.7 \times 10^{-5} {^{\circ}C^{-1}}$
- B$0.63 \times 10^{-5} {^{\circ}C^{-1}}$
- C$1.9 \times 10^{-5} {^{\circ}C^{-1}}$
- D$16.1 \times 10^{-5} {^{\circ}C^{-1}}$
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