The density of water at $20^oC$ is $0.998\, gm/cm^3$ and at $40^oC$ is $0.992\, gm/cm^3$. The mean coefficient of cubical expansion (in per $^oC$) is :-
The density of water at $20^oC$ is $0.998\, gm/cm^3$ and at $40^oC$ is $0.992\, gm/cm^3$. The mean coefficient of cubical expansion (in per $^oC$) is :-
- A
$1 \times 10^{-4}$
- B
$2 \times 10^{-4}$
- C
$3 \times 10^{-4}$
- D
$6 \times 10^{-4}$
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- [KVPY 2016]