NEET 2026 (Phase 1) · ChemistryPrevious Year Question

At a certain temperature (K), during a process, is absorbed by the system and work of is done by the system. Then the change in internal energy of the system is:

Answer: (B) . \textbf{Answer:} (B) \textbf{Solution:} First law of thermodynamics: .

  1. A.
  2. B.
  3. C.
  4. D.

Correct Answer

(B)

Solution & Explanation

\textbf{Answer:} (B) \textbf{Solution:} First law of thermodynamics: . Heat absorbed by the system is positive, . Work done by the system is negative, . Therefore .

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