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WBJEE 2013 Physics Solved Paper

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Question : 35

Total: 60

The specific heat c of a solid at low temperature shows temperature dependence according to the relation c = DT3 where D is a constant and T is the temperature in kelvin. A piece of this solid of mass m kg is taken and its temperature is raised from 20K to 30 K. The amount of the heat required in the process in energy units is

5 × 104 Dm
(33/4) × 104 Dm
(65/4) × 104 Dm
(5/4) × 104 Dm

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