1.

The specific heat of a substance varies with temperature t("^@C) as c = 0.20 + 0.14t + 0.023t^2("cal"//"gm"^@C) Heat required to raise the temperature of 2 gm of the substance from 5^@C " to " 15^@C is

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24 CAL
56 cal
82 cal
100 cal

Answer :C


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