Home
Class 11
PHYSICS
A scientist says that the efficiency of ...

A scientist says that the efficiency of his heat engine which operates at source temperature `127^(@)C` and sink temperature `27^(@)C is 26%`, then

A

it is impossible

B

it is possible with high probability

C

it is possible with low probability

D

data are insufficient

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • SOLVD PAPERS 2017 NEET, AIIMS & JIPMER

    DC PANDEY|Exercise Solved paper 2018(NEET)|22 Videos

  • SOLVD PAPERS 2017 NEET, AIIMS & JIPMER

    DC PANDEY|Exercise Solved paper 2018(AIIMS)|28 Videos

  • SOLVD PAPERS 2017 NEET, AIIMS & JIPMER

    DC PANDEY|Exercise Solved Papers 2017(AIIMS)|26 Videos

  • SIMPLE HARMONIC MOTION

    DC PANDEY|Exercise Integer type questions|14 Videos

  • SOUND WAVES

    DC PANDEY|Exercise Exercise 19.7|4 Videos

Similar Questions

Explore conceptually related problems

If a Carnot’s engine functions at source temperature 127^(@)C and at sink temperature 87^(@)C , what is its efficiency

The efficiency of a heat engine if the temperature of the source is 100^(@)C and sink is 27^(@)C is nearly

Efficiency of carnot heat engine,if source temperature is T1K and sink temperature is T2K

The efficiency of a Carnot engine operating between temperatures of 100^(@)C and -23^(@)C will be

The efficiency of a heat engine if the temperature of source 127∘ C and that of sink is 27∘ C nearly

The efficiency of a heat engine if the temperature of source 227^(@)C and that of sink is 27^(@)C nearly?

A carnot's engine works between a source at a temperature of 27^(@)C and a sink at -123 ^(@)C . Its efficiency is

A carnot engine has an efficiency of 40% when the sink temperature is 27^(@)C. The source temperature will be

DC PANDEY-SOLVD PAPERS 2017 NEET, AIIMS & JIPMER-Solved Papers 2017(JIPMER)
  1. A skier starts from rest at point A and slides donw the hill without t...

    Text Solution

    |

  2. A bicycle wheel rolls without slipping on a horizonatal floor.W hich o...

    Text Solution

    |

  3. The planets with radii R(1) and R(2) have densities p(1),p(2) respect...

    Text Solution

    |

  4. A wide hose pipe is held horizontally by fireman.It delivers water thr...

    Text Solution

    |

  5. The upper half of an inclined plane with inclination phi is perfectly ...

    Text Solution

    |

  6. The masses of 10 kg and 20 kg respectively are connected by a massless...

    Text Solution

    |

  7. A cylinder rolls up an inclined plane, reaches some height, and then r...

    Text Solution

    |

  8. A liquid is allowed to flow into a tube of truncated cone shape. Ident...

    Text Solution

    |

  9. Two soap bubbles coalesce.It noticed that, whilst joined together, the...

    Text Solution

    |

  10. The displacement of a particle along the x-axis is given by x = a sin^...

    Text Solution

    |

  11. Mercury boils at 367^(@)C. However, mercury thermometers are made such...

    Text Solution

    |

  12. Two identical glass spheres filled with air are connected by a thin ho...

    Text Solution

    |

  13. a graph between prssure P (along y-axis) and absolute temperature, T(a...

    Text Solution

    |

  14. A piece of blue glass heated to a high temperature and a piece of red ...

    Text Solution

    |

  15. A long block A of mass M is at rest on a smooth horizontal surface.A s...

    Text Solution

    |

  16. P-V plots for two gases during adiabatic processes are shown in the fi...

    Text Solution

    |

  17. A uniform rod of length L is free to rotate in a vertical plane about ...

    Text Solution

    |

  18. A Stick of length L and mass M lies on a fnctionless horizontal surfac...

    Text Solution

    |

  19. An iceberg of density 900kg//m^(3) is floating in water of density 100...

    Text Solution

    |

  20. A scientist says that the efficiency of his heat engine which operates...

    Text Solution

    |