Final pressure after a sudden (adiabatic) compression or expansion
This type of question, asked 4 times: 26 Jul 2022, 10 Apr 2023, 13 Apr 2023, 9 Apr 2024. All 4 questions below, oldest first.
Try each one first, then open its answer.
Question 1
26 Jul 2022
14A monoatomic gas at pressure and volume is suddenly compressed to one eighth of its original volume. The final pressure at constant entropy will be:Tap an option to check your answer.
Question 2
10 Apr 2023
11Consider two containers and containing monoatomic gases at the same Pressure (P), Volume (V) and Temperature (T). The gas in A is compressed isothermally to of its original volume while the gas is compressed adiabatically to of its original volume. The ratio of final pressure of gas in to that of gas in is:Tap an option to check your answer.
Question 3
13 Apr 2023
97The initial pressure and volume of an ideal gas are and . The final pressure of the gas when the gas is suddenly compressed to volume will be: (Given ratio of specific heats at constant pressure and at constant volume)Tap an option to check your answer.
Question 4
9 Apr 2024
10The volume of an ideal gas is changed adiabatically from 5 litres to 4 litres. The ratio of initial pressure to final pressure is:Tap an option to check your answer.