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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 500K at a constant rate ignoring any volume change, the following statement(s) is (are) correct to a reasonable approximation:
A) The rate at which heat is absorbed in the range of 0-100K varies linearly with T.
B) Heat absorbed in increasing the T from 0-100K is less than the heat required from increasing T from 400-500K.
C) There is no change in the rate of heat absorbed in the range 400-500K.
D) The rate of heat absorbed increases in the range 200-300K.

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