The volume of a metal block changes by 0...

The volume of a metal block changes by 0.84% when heated through 200 °C then its coefficient of cubical expansion is

`42xx10^6//^@C`

`84xx10^ 6//^@C`

`4.2xx10^-5//^@C`

`8.4xx10^5//^@C`

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TARGET PUBLICATION-Thermal Properties of Matter-Exercise

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