नियतदाब पर किसी द्विपरमाणुक गैस को प्रसारित होने देने के लिए इसे \(735 \mathrm{~J}\) ऊष्मीय ऊर्जा प्रदान की जाती है। गैस का प्रत्येक अणु किसी आन्तरिक अक्ष के परितः घूमता है किन्तु दोलन नहीं करता है। गैस की आन्तरिक ऊर्जा में हुई वृद्धि \(..........\,J\)होगी :

Apply the relevant identity from the chapter and substitute the values established in the previous step, keeping the original constraint in view.

Use the simplified expression to isolate the unknown, then plug the result back into the question setup to confirm the working is internally consistent.

Cross-check against a boundary or limiting case. Both the dimensional balance and the qualitative behaviour at the extreme should agree with the candidate answer.

Combine the steps above to identify the correct option. The remaining choices each fail at least one of the consistency, dimensional, or boundary checks.