Home
Class 11
PHYSICS
A Carnot engine converts one-sixth of th...

A Carnot engine converts one-sixth of the heat into work. When the temperature of the sink is reduced by 62°C, the efficiency of the engine is doubled. The temperature of the source and sink are

A

80°C, 37°C

B

95°C, 28°C

C

90°C, 37°C

D

99°C, 37°C

Text Solution

Verified by Experts

The correct Answer is:
d
Promotional Banner

Topper's Solved these Questions

  • HEAT AND THERMODYNAMICS

    SURA PUBLICATION|Exercise Long Answer Question :|5 Videos
  • HEAT AND THERMODYNAMICS

    SURA PUBLICATION|Exercise Numerical Problems|16 Videos
  • HEAT AND THERMODYNAMICS

    SURA PUBLICATION|Exercise Very short answer question :|25 Videos
  • GRAVITATION

    SURA PUBLICATION|Exercise VALUE BASED QUESTIONS|4 Videos
  • KINEMATICS

    SURA PUBLICATION|Exercise Creative Question (HOTS)|12 Videos

Similar Questions

Explore conceptually related problems

An Engine has an efficiency of 1//6 . When the temperature of sink is reduced 62^@C , its efficiency is doubled. Temperature of source, is:

The temperature of sink of Carnot engine is 27°C. Efficiency of engine is 25%. Then find the temperature of source.

What is the value of sink temperature, when efficiency of engine is 100%.

An ideal refrigerator has a freezer at a temperature of -13°C. The coefficient of performance of the engine is 5. The temperature of the air to which heat is rejected will be

An ideal heat engine working between temperature T_1 and T_2 has an efficiency eta . The new efficiency if both the source and sink temperature are doubled, will be

A Carnot engine whose efficiency is 45% takes heat from a source maintained at a temperature of 327^(@)C .To have an engine of efficiency 60% what must be the intake temperature for the same exhaust (sink) temperature

There are two Carnot engines A and B operating in two different temperature regions. For Engine A the temperatures of the two reservoirs are 150^(@)C and 100^(@)C . For engine B the temperatures of the reservoirs are 350^(@)C and 300^(@)C . Which engine has lesser efficiency?

An engine is supposed to operate between two reservoirs at temperature 727°C and 227°C. The maximum possible efficiency of such an engine is

SURA PUBLICATION-HEAT AND THERMODYNAMICS-Short answer question :
  1. Efficiency of a Carnot engine is 50%, when temperature of outlet is 50...

    Text Solution

    |

  2. An ideal heat engine working between temperature T1 and T2 has an effi...

    Text Solution

    |

  3. A Carnot engine converts one-sixth of the heat into work. When the tem...

    Text Solution

    |

  4. What is a cyclic process ?

    Text Solution

    |

  5. Write the conditions for reversible process

    Text Solution

    |

  6. What is the value of sink temperature, when efficiency of engine is 10...

    Text Solution

    |

  7. A metal tube & a rod of same distance same material & same o...

    Text Solution

    |

  8. How is skating possible on snow?

    Text Solution

    |

  9. State that the coefficient of cubical ecpansion of an ideal ...

    Text Solution

    |

  10. How does the density of a solid or a liquid vary with temper...

    Text Solution

    |

  11. Write the important properties of thermal radiations .

    Text Solution

    |

  12. State the factors on which the conduction of heat through a sub...

    Text Solution

    |

  13. Write any 3 phenomena which are based on thermal convertion...

    Text Solution

    |

  14. A Carnot engine having an efficiency of eta = (1 / 10) as a heat engin...

    Text Solution

    |

  15. Describle an analytical method for a dtermining th work done ...

    Text Solution

    |

  16. The temperature of sink of Carnot engine is 27°C. Efficiency of engine...

    Text Solution

    |

  17. The efficiency of Carnot's engine operating between reservoirs, mainta...

    Text Solution

    |

  18. Derive an expressionfor the work done during the isothermal e...

    Text Solution

    |

  19. If a heat engine absorbs 50 KJ heat from a heat source and has an effi...

    Text Solution

    |

  20. The efficiency of heat engine is 30%. If it gives 30 KJ heat to the he...

    Text Solution

    |