An ideal gas is compressed isothermally until its pressure is doubled and then allowed to…
Physics · Class 11 · CBSE — Thermodynamics
An ideal gas is compressed isothermally until its pressure is doubled and then allowed to expand adiabatically to regain its original volume (g = 1.4 and 2–1.4 = 0.38). The ratio of the final to initial pressure is
- 0.76 : 1
- 1 : 1
- 0.66 : 1
- 0.86 : 1
Answer
(A) 0.76 : 1
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