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In an adiabatic process, which of the following statements is true ? [JEE Main 2025, 2 Apr (Shift 1)]

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In an adiabatic process, which of the following statements is true ?

[JEE Main 2025, 2 Apr (Shift 1)]

a

The molar heat capacity is infinite

b

Work done by the gas equals the increase in internal energy

c

The molar heat capacity is zero

d

The internal energy of the gas decreases as the temperature increases

✓ Correct answer: c)

The molar heat capacity is zero

Explanation

\(Q=nC\Delta T\)
For an adiabatic process:
\(Q=0\)
For non-zero temperature change:
\(\Delta T\neq 0\)
\(C=0\)

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