Home
Class 12
PHYSICS
An engine has an efficiency of 1/6. When...

An engine has an efficiency of `1/6`. When the temperature of sink is reduced by `62^(@)C`, its efficiency is doubled. Temperature of the source is

A

`124^(@)C`

B

`37^(@)C`

C

`62^(@)C`

D

`99^(@)C`

Text Solution

Verified by Experts

The correct Answer is:
d
Promotional Banner

Topper's Solved these Questions

  • GRAVITATION

    NEET PREVIOUS YEAR (YEARWISE + CHAPTERWISE)|Exercise Gravitation|50 Videos

  • LAWS OF MOTION

    NEET PREVIOUS YEAR (YEARWISE + CHAPTERWISE)|Exercise Physics|60 Videos

Similar Questions

Explore conceptually related problems

An engine has an efficiency of 0.25 when temperature of sink is reduced by 58^(@)C , If its efficency is doubled, then the temperature of the source is

A reversible engine has an efficiency of 1/4 If the temperature of the sink is reduced by 58^(@) C, its efficiency becomes double. Calculate the temperature of the sink :

The efficiency of heat engine is 1/6 when the temperature of sink is reduced by 62^0 C the efficiency doubles. What is the temperature of source?

A reversible heat engine converts one-fourth of the heat input into work. When the temperature of the sink is reduced by 52 K, its efficiency is doubled. The temperature in Kelvin of the source will be _________.

A reversible engine converts one-sixth of the heat input into work. When the temperature of the sink is reduced by 62^@C , the efficiency of the engine is doubled. The temperatures of the source and sink are

NEET PREVIOUS YEAR (YEARWISE + CHAPTERWISE)-HEAT AND THERMODYNAMICS-PHYSICS
  1. If Q, E and W denote respectively the heat added, change in internal e...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  4. A black body is at 727^(@)C. It emits energy at a rate which is propor...

    Text Solution

    |

  5. Assuming the sun to have a spherical outer surface of radius r radiati...

    Text Solution

    |

  6. The molar specific heat at constant pressure of an ideal gas is (7//2 ...

    Text Solution

    |

  7. A black body at 1227^(@)C emits radiations with maximum intensity at a...

    Text Solution

    |

  8. A Carnot engine whose sinl is at 300K has an efficiency of 40%. By how...

    Text Solution

    |

  9. An ideal gas heat engine operates in Carnot cycle between 227^@C and 1...

    Text Solution

    |

  10. Which of the following processes is reversible?

    Text Solution

    |

  11. Which of the following circular rods (given radius r and length l) eac...

    Text Solution

    |

  12. The equation of state for 5 g of oxygen at a pressure P and temperatur...

    Text Solution

    |

  13. One mole of an ideal gas at an initial temperature true of TK does 6R ...

    Text Solution

    |

  14. If lambda(m) denotes the wavelength at which the radiative emission fr...

    Text Solution

    |

  15. We consider the radition emitted by the human body which of the follow...

    Text Solution

    |

  16. An ideal gas heat engine operates in a Carnot cycle between 227^(@)C a...

    Text Solution

    |

  17. Consider a compound slab consisting of two different material having e...

    Text Solution

    |

  18. For a black body at temperature 727^@C, its radiating power is 60 watt...

    Text Solution

    |

  19. The efficiency of carnot engine is 50% and temperature of sink is 500K...

    Text Solution

    |

  20. Condider two rods of same length and different specific heats (s(1), s...

    Text Solution

    |