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Thermal capacity is equals to the product of the mass of the body and its specific gravity.

Thus, specific heat is equals to the thermal capacity divided by the mass of the body.

Now, if the mass of tue body be unity then specific heat will be equals to the thermal capacity of the body.

So, thermal capacity of unit mass of a substance is equals to its specific heat

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Q: When does the thermal capacity of a substance become equal to its specific gravity?
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