Density of water at 4^{\circ} C and 20^{\circ} C are 1000 kg \/ m ^3 and 998 kg \/ m ^3 respectively. The increase in internal energy of 4 kg of water when it is heated from 4^{\circ} C to 20^{\circ} C is \_\_\_\_ J. (specific heat capacity of water =4.2 J \/ kg. and 1 atmospheric pressure =10^5 Pa ) [24 jan 2026 Shift 1]

Thermodynamics Part 5

Section: Physics

Question : 9 of 69

Marks: +1, -0

Density of water at 4∘C and 20∘C are 1000kg∕m3 and 998kg∕m3 respectively. The increase in internal energy of 4 kg of water when it is heated from 4∘C to 20∘C is ____ J.
(specific heat capacity of water =4.2J∕kg. and 1 atmospheric pressure =105Pa )

[24 jan 2026 Shift 1]

268799.2
315826.2
234699.2
258700.8

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