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Assertion: Air quickly leaking out of a ...

Assertion: Air quickly leaking out of a balloon becomes coolers.
Reason: The leaking air undergoes adiabatic expansion.

A

Both A and R are correct and R is the correct explanation of A

B

Both A and R are correct but R is not the correct explanation of A

C

A is correct but R is incorrect

D

Both A and R are incorrect

Text Solution

Verified by Experts

The correct Answer is:
A
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MOTION-Thermodynamics-EXERCISE - 3 SECTION - A
  1. An ideal gas heat engine operates in Carnot cycle between 227^(@)C and...

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  2. Assertion: Air quickly leaking out of a balloon becomes coolers. Rea...

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  3. The translational kinetic energy of molecules of one mole of a monoato...

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  4. Assertion : The Carnot cycle is useful in understanding the performanc...

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  5. If the temperature of the sink of a Carnot engine having an efficiency...

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  6. An engine has an efficiency of 1/6. When the temperature of sink is re...

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  7. If Q, E and W denote respectively the heat added, change in internal e...

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  8. On a new scale of temperature (which is linear) and called the W scale...

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  9. If Q, E and W denote respectively the heat added, change in internal e...

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  10. The temperature -entropy diagram of a reversible engine cycle is given...

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  11. In thermodynamic processes which of the following statement is not tru...

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  12. The internal energy change in a system that has absorbed 2 kcal of hea...

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  13. If DeltaU and Delta W represent the increase in internal energy and wo...

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  14. A monoatomic gas at pressure P(1) and volume V(1) is compressed adiaba...

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  15. Two rigid boxes containing different ideal gases are placed on a table...

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  16. Assertion: The isothermal curves intersect each other at a certain poi...

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  17. A perfect gas goes from a state A to another state B by absorbing 8 × ...

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  18. During an isothermal expansion, a confined ideal gas does -150 J of wo...

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  19. A mass of diatomic gas(gamma=1.4) at a pressure of 2 atomphere is comp...

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  20. A thermodynamic system is taken through the cycle ABCD as shown in the...

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