Two gases \(A\) and \(B\) are filled at the same pressure in separate cylinders with movable pistons of radius \(r_A\) and \(r_B,\) respectively. On supplying an equal amount of heat to both the systems reversibly under constant pressure, the pistons of gas \(A\) and \(B\) are displaced by \(16~ \text{cm}\) and \(9~ \text{cm},\) respectively. If the change in their internal energy is the same, then the ratio \(r_A / r_B\) is equal to:
1.
\(\dfrac{2}{\sqrt{3}}\)
2.
\(\dfrac{\sqrt{3}}{2}\)
3.
\(\dfrac{4}{3}\)
4.
\(\dfrac{3}{4}\)
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Subtopic: Â Work Done by a Gas |
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NEET - 2025
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A thermodynamic system is taken through the cycle \(abcda.\) The work done by the gas along the path \(bc\) is:
1. \(30~\text J\)
2. \(-90~\text J\)
3. \(-60~\text J\)
4. zero
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Subtopic: Â Work Done by a Gas |
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NEET - 2024
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NEET 2026 - Target Batch - Vital
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