Home
Class 12
PHYSICS
A diatomic ideal gas is used in a Carnot...

A diatomic ideal gas is used in a Carnot engine as the working substance. If during the adiabatic expansion part of the cycle the volume of the gas increase from V to 32V, the efficiency of the engine is

A

0.25

B

0.5

C

0.75

D

0.99

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • KINETIC THEORY OF GASES AND RADIATION

    TARGET PUBLICATION|Exercise Evaluation test|18 Videos
  • KINETIC THEORY OF GASES AND RADIATION

    TARGET PUBLICATION|Exercise critical thinking|104 Videos
  • INTERFERENCE AND DIFFRACTION

    TARGET PUBLICATION|Exercise EVALUATION TEST|20 Videos
  • MAGNETIC EFFECT OF ELECTRIC CURRENT

    TARGET PUBLICATION|Exercise EVALUATION TEST|19 Videos

Similar Questions

Explore conceptually related problems

A diatomic ideal gas is used in a Carnot engine as theworking substance. If during the adiabatic expansion part of the cycle the volume of the gas increases from V to 32 V, the efficiency of the engine is

A monoatomic ideal gas is used in a carnot engine as the working substance. If during the adiabatic expansion the volume of the gas increases from (V)/(8) to V, the efficiency of the engine is

Derive an expression for the work done during the adiabatic expansion of an ideal gas.

During adiabatic expansion of an ideal gas :-

In one cycle, the working substance in a heat engine absorbs 3000 J from the hot reservoir. If 2250 J are wasted per cycle, the efficiency of the engine is

During an adiabatic reversibly expansion of an ideal gas

A diatomic gas is used in car not heat engine having efficiency 80% . Find the ratio of initial volume to final volume of gas during adiabatic expansion.

During isothermal expansion at 800 K, the working substance of a Carnot's engine extracts 480 cal of heat. If the sink be at 300 K, calculate (i) the work done by the working substance during isothermal expansion (ii) the work done on the substance during isothermal compression (iii) the efficiency of the ideal engine.

TARGET PUBLICATION-KINETIC THEORY OF GASES AND RADIATION -Competitive thinking
  1. A Carnot engine working between 200 Kand 500 K has done work equal to ...

    Text Solution

    |

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

    Text Solution

    |

  3. A diatomic ideal gas is used in a Carnot engine as the working substan...

    Text Solution

    |

  4. A cylinder of fixed capacity 67 .2 litres contains helium gas at STP. ...

    Text Solution

    |

  5. A solid cube and a solid sphere of the same material have equal surfac...

    Text Solution

    |

  6. Two metallic spheres S1 and S2 are made of the same material and have ...

    Text Solution

    |

  7. Show below are the black body radiation curves at temperature T1 and T...

    Text Solution

    |

  8. Two spheres A and B having radii 3 cm and 5 cm respectively are coated...

    Text Solution

    |

  9. A liquid in a beaker has temperature theta(t) at time t and theta0 is ...

    Text Solution

    |

  10. A gaseous mixture consists of 16g of helium and 16 g of oxygen. The ra...

    Text Solution

    |

  11. A vessel of volume V contains an ideal gas at absolute temperature T a...

    Text Solution

    |

  12. A monatomic gas at a pressure P, having a volume V expands isothermall...

    Text Solution

    |

  13. An ideal gas expands isothermally from volume V(1) to V(2) and is then...

    Text Solution

    |

  14. If a piece of metal is heated to temperature theta and the allowed to ...

    Text Solution

    |

  15. n' moles of an ideal gas undergoes a process AtoB as shown in the figu...

    Text Solution

    |

  16. The amount of heat energy required to raise the temperature of 1 g of ...

    Text Solution

    |

  17. At what temperature will the R.M.S. velocity for H2 molecule-be same a...

    Text Solution

    |

  18. At what temperature , will the rms speed of oxygen molecules be suffic...

    Text Solution

    |

  19. Aseertion: Thermodynamics process in nature are irreversible. Reason...

    Text Solution

    |

  20. Assertion : In an isolated system the entropy increases. Reason : Th...

    Text Solution

    |