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Home » Figure shows the P-V diagram of an ideal gas undergoing a change of state from A to B. Four different parts I, II, III, and IV as shown in the figure may lead to the same changes of state.
Figure shows the P-V diagram of an ideal gas undergoing a change of state from A to B. Four different parts I, II, III, and IV as shown in the figure may lead to the same changes of state.
CBSE | Class 11 | NCERT Exemplar | Physics | Thermodynamics
Figure shows the P-V diagram of an ideal gas undergoing a change of state from A to B. Four different parts I, II, III, and IV as shown in the figure may lead to the same changes of state.

a) change in internal energy is the same in IV and III cases, but not in I and II

b) change in internal energy same in all the four cases

c) work done is maximum in case I

d) work done is minimum in case II

Answer:

The correct options are

b) change in internal energy same in all the four cases

c) work done is maximum in case I

Explanation: Internal energy is a result of a system’s state and is independent of its path. As a result, internal energy will be equal.

i

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