Home Physics Thermodynamics First Law of Thermodynamics (Delta Q = Delta U + Delta W) 1 kg of water is heated from 40°C to 70°C, i…
Physics Thermodynamics First Law of Thermodynamics (Delta Q = Delta U + Delta W) MCQ (Single Correct)

1 kg of water is heated from 40°C to 70°C, if its volume remains constant, then the change in internal energy is (specific heat of water = 4148 J kg –1 K –1 )

A
2.44 × 10 5 J
B
1.62 × 10 5 J
C
1.24 × 10 5 J
D
2.62 × 10 5 J

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Text Solution

Verified by Experts
The correct answer is:
C

Since volume of water remains constant, then work done

According to first law of thermodynamics



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