## Adiabatic Process - MCQ - Basic Level

Physics is an important subject in preparation for various Competitive exams. To keep a track of your preparation we have designed a small quiz of Basic Level Questions on Adiabatic Process. You have 10 minutes to solve the quiz, click the start timer button in order to start the timer and then click on submit button at the end to submit the quiz and view your scores and correct answers.

Q1.  The slopes of isothermal and adiabatic curves are related as

•  Isothermal curve slope = Adiabatic curve slope
•  Isothermal curve slope = Î³ x Adiabatic curve slope
•  Adiabatic curve slope = Î³ x Isothermal curve slope
•  Adiabatic curve slope = 1/2 x Isothermal curve slope

Q2. The work done in which of the following processes is equal to the change in internal energy of the system

•  Isothermal process
•  Isochoric process
•  None of these

Q3. In an adiabatic process, the state of a gas is changed from P1, V1, T1 to P2, V2, T2. Which of the following relation is correct

•  T1V1Î³-1 = T2V2Î³-1
•  P1V1Î³-1 = P2V2Î³-1
•  T1P1Î³ = T2P2Î³
•  T1V1Î³ = T2V2Î³

Q4. Pressure-temperature relationship for an ideal gas undergoing adiabatic change is (Î³ = C p/Cv)

•  PTÎ³ = constant
•  PT-1+Î³ = constant
•  PÎ³-1TÎ³ = constant
•  P1-Î³TÎ³ = constant

Q5. A monoatomic gas (Î³ = 5/3) is suddenly compressed to 1/8 of its original volume adiabatically, then the pressure of the gas will change to

•  24/5
•  40/3
•  8
•  32 times it's initial pressure

Q6. If Î³ denotes the ratio of two specific heats of a gas, the ratio of slopes of adiabatic and isothermal P-V curves at their point of intersection is

•  1/Î³
•  Î³
•  Î³ - 1
•  Î³ + 1

Q7. During the adiabatic expansion of 2 moles of a gas, the internal energy was found to have decreased by 100 J. The work done by the gas in this process is

•  Zero
•  -100 J
•  200 J
•  100 J

Q8. For an adiabatic expansion of a perfect gas, the value of Î”P/P is equal to

•  -√Î³ Î”V/V
•  - Î”V/V
•  - Î³ Î”V/V
•  - Î³2 Î”V/V

Q9. The pressure in the tyre of a car is four times the atmospheric pressure at 300 K. If this tyre suddenly bursts, its new temperature will be (Î³ = 1.4)

•  300 (4)1.4/0.4
•  300 (1/4)1.4/0.4
•  300 (2)-0.4/1.4
•  300 (4)-0.4/1.4

Q10. When a gas expands adiabatically

•  No energy is required for expansion
•  Energy is required and it comes from the wall of the container of the gas
•  Internal energy of the gas is used in doing work
•  Law of conservation of energy does not hold

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