Home
Class 11
PHYSICS
A reversible heat engine converts 1/6 th...

A reversible heat engine converts `1/6` th of heat, which it extracts from source, into work. When the temperature of the sink is reduced by `40^(@)C`, its efficiency is doubled. Find the temperature of the source.

Text Solution

Verified by Experts

The correct Answer is:
240 K
Promotional Banner

Topper's Solved these Questions

  • FIRST AND SECOND LAW OF THERMODYNAMICS

    CHHAYA PUBLICATION|Exercise Exercise - Hots Numerical Problems (Marks 3/4/5)|28 Videos

  • FIRST AND SECOND LAW OF THERMODYNAMICS

    CHHAYA PUBLICATION|Exercise Entrance Corner - Assertion-reason type|4 Videos

  • FIRST AND SECOND LAW OF THERMODYNAMICS

    CHHAYA PUBLICATION|Exercise Exercise - Problem Set - I (Marks 2)|18 Videos

  • EXPANSION OF SOLIDS AND LIQUIDS

    CHHAYA PUBLICATION|Exercise CBSE SCANNER|2 Videos

  • FRICTION

    CHHAYA PUBLICATION|Exercise CBSE SCANNER|7 Videos

Similar Questions

Explore conceptually related problems

The efficiency of a Carnot engine is 50%. The temperature of the heat sink is 27^(@)C . Find the temperature of the heat source.

The efficiency of a Carnot engine is 50%. The temperature of the heat sink is 27^@C . Find, the temperature of the heat source.

A carnot engine absorbs 40 cal heat from source having temperature 320 K and rejects 30 cal heat to sink . The temperature of the is

CHHAYA PUBLICATION-FIRST AND SECOND LAW OF THERMODYNAMICS-Exercise - Problem Set - II (Marks 3 or 4)
  1. 70 cal of heat is required to increase the temperature of 2 mol of an ...

    Text Solution

    |

  2. What will be the change in internal energy of 128 g of oxygen gas at c...

    Text Solution

    |

  3. What will be the increase in temperature if dry air at 27^(@)C is comp...

    Text Solution

    |

  4. The tyre of a motorcar bursts suddenly when air was being pumped in it...

    Text Solution

    |

  5. Calculate the amount of work done, if 20 g of hydrogen gas is compress...

    Text Solution

    |

  6. Some amount of gas at 27^(@)C is suddenly compressed to 27 times its ...

    Text Solution

    |

  7. In an adiabatic process where pressure is increased by 2/3%, if (Cp)/(...

    Text Solution

    |

  8. The volume of air increases by 2% in its adiabatic expansion. Calculat...

    Text Solution

    |

  9. Air at 27^(@)C and 128 atm pressure is filled in a container in resear...

    Text Solution

    |

  10. Equal volume of mono atomic and diatomic gases of same initial tempera...

    Text Solution

    |

  11. A steam engine delivers 5.4 xx 10^(8)J of work per minute and services...

    Text Solution

    |

  12. A reversible heat engine converts 1/6 th of heat, which it extracts fr...

    Text Solution

    |

  13. What will be the specific heats of helium at constant volume and const...

    Text Solution

    |

  14. The mass of 1 L of air at STP is 1.293 g. If c(v) = 0.169 cal cdot g^(...

    Text Solution

    |

  15. The initial volume of a gas is 1 L and the pressure is 16 atm. Due to ...

    Text Solution

    |

  16. An ideal gas is compressed adiabatically to 1/4 th of its initial volu...

    Text Solution

    |

  17. A cylinder with a movable piston contains 3 moles of hydrogen at stand...

    Text Solution

    |

  18. The relation between internal energy U, pressure p and volume V of a g...

    Text Solution

    |

  19. The work of 146 kJ is performed in order to compress one k mole of a g...

    Text Solution

    |

  20. An ideal gas is expanding such that pT^(2) = constant. Calculate the c...

    Text Solution

    |