Home
Class 12
PHYSICS
In Carnot engine, efficiency is 40% at h...

In Carnot engine, efficiency is 40% at hot reservoir temperature T. For efficiency 50% , what will be the temperature of hot reservoir?

A

`(2T)/5`

B

`6T`

C

`(6T)/5`

D

`T/5`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • NTA NEET TEST 111

    NTA MOCK TESTS|Exercise PHYSICS|45 Videos

  • NTA NEET TEST 22

    NTA MOCK TESTS|Exercise PHYSICS|45 Videos

Similar Questions

Explore conceptually related problems

A Carnot cycle has an efficiency of 40% . Its low temperature resrvoir is at 7^(@)C . What is the temperature of source ?

An ideal Carnot's engine whose efficiency 40% receives heat of 500K. If the efficiency is to be 50% then the temperature of sink will be

A Carnot's engine whose sink is at temperature of 300K has an efficiency of 40% By how much should the temperature of the source be increased so as to increase the efficiency to 60%?

NTA MOCK TESTS-NTA NEET TEST 112-PHYSICS
  1. A bucket full of hot water cools from 75^(@)C to 70^(@)C in time T(1),...

    Text Solution

    |

  2. A vessel containing 1 g of oxygen at a pressure of 10 atm a temperatur...

    Text Solution

    |

  3. In Carnot engine, efficiency is 40% at hot reservoir temperature T. Fo...

    Text Solution

    |

  4. A conducting loop (as shown) has total resistance R. A uniform magneti...

    Text Solution

    |

  5. An electron and a proton have equal kinetic energies. They enter in a ...

    Text Solution

    |

  6. The motion of a particle along a straight line is described by equatio...

    Text Solution

    |

  7. A particle of mass m is projected from the ground with initial linear ...

    Text Solution

    |

  8. While waiting in a car at a signal, an 80 kg man and his car are sudde...

    Text Solution

    |

  9. The minimum force required to move a body up on an inclined plane is t...

    Text Solution

    |

  10. A sample contains 10^(-2)kg each of two substances A and B with half l...

    Text Solution

    |

  11. A neutron collides head-on and elasticity with an atom of mass number ...

    Text Solution

    |

  12. Two point masses of 3.0 kg and 1.0 kg are attached to opposite ends of...

    Text Solution

    |

  13. A simple harmonic motion is represented by x(t) = sin^2 omegat - 2 cos...

    Text Solution

    |

  14. About 5% of the power of a 100 W light bulb is converted to visible ra...

    Text Solution

    |

  15. A light beam consists of two types of photons. In one type, each photo...

    Text Solution

    |

  16. In each heart beat, a heart pumps 80 ml blood at an average pressure o...

    Text Solution

    |

  17. If two wires of same length l and are of the cross-section A with youn...

    Text Solution

    |

  18. The correct curve between refractive index mu and wavelength lambda wi...

    Text Solution

    |

  19. When the angle of incidence on a material is 60^(@), the reflected lig...

    Text Solution

    |

  20. For a circular cardboard of uniform thickness and mass M, a square dis...

    Text Solution

    |