The figure below shows the variation of specific heat capacity (C) of a solid as a function of temperature (T). The temperature is increased continuously from 0 to 500 K at a constant rate. Ignoring any volume change, the following statement (s) is (are) correct to reasonable approximation.

Engineering

Physics

Physical Quantities

Question

the rate of heat absorption increases in the range 200 - 300 K.

the rate at which heat is absorbed in the range 0-100 K varies linearly with temperature T.

there is no change in the rate of heat absorption in the range 400 - 500 K

heat absorbed in increasing the temperature from 0-100 K is less than the heat required for increasing the temperature from 400 - 500 K.

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$\frac{dQ}{dt} = mc \frac{dT}{dt}$

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