Home
Class 12
PHYSICS
Efficiency of a Carnot engine is 50% whe...

Efficiency of a Carnot engine is `50%` when temperature of outlet is `500 K`. In order to increase efficiency up to `60%` keeping temperature of intake the same what is temperature of outlet?

A

200 K

B

400 K

C

600 K

D

800 K

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • KINETIC THEORY OF GASES AND RADIATION

    TARGET PUBLICATION|Exercise Competitive thinking|187 Videos

  • KINETIC THEORY OF GASES AND RADIATION

    TARGET PUBLICATION|Exercise Evaluation test|18 Videos

  • KINETIC THEORY OF GASES AND RADIATION

    TARGET PUBLICATION|Exercise Evaluation test|18 Videos

  • INTERFERENCE AND DIFFRACTION

    TARGET PUBLICATION|Exercise EVALUATION TEST|20 Videos

  • MAGNETIC EFFECT OF ELECTRIC CURRENT

    TARGET PUBLICATION|Exercise EVALUATION TEST|19 Videos

Similar Questions

Explore conceptually related problems

Efficiency of Carnot engine is 100% if

The efficiency of Carnot's enegine is 50% . The temperature of its sink is 7^(@)C . To increase its efficiency to 70% . What is the increase in temperature of the source?

What should be the temperature of the source to increases the efficiency to 30%

A carnot engine works between ice point and steam point. It is desired to increase efficiency by 20%, by changing temperature of sink to –

The efficiency of carnot engine is 1/4. If the temperature of sink reduces by 58 degrees celsuis the efficiency doubles. Calculate temperature of sink.

At what temperature should the sink be maintained to increase the efficiency by 10% ?

In a Carnot engine the temperature of source is 1000 K and the efficiency of engine is 70%. What is the temperature of the sink ?

TARGET PUBLICATION-KINETIC THEORY OF GASES AND RADIATION -critical thinking
  1. A metal ball cools from 64^(@)C to 50^(@)C in 10 minutes and to 42^(@)...

    Text Solution

    |

  2. A cup of tea cools from 80^(@)C to 60^(@)C in one minute. The ambient ...

    Text Solution

    |

  3. The temperature of a body falls from 50^(@)C to 40^(@)C in 10 minute...

    Text Solution

    |

  4. A body initially at 80^(@)" C" cools to 64^(@)" C" in 5 minutes and to...

    Text Solution

    |

  5. Green house effect is to

    Text Solution

    |

  6. Two beakers A and B are filled to the brim with water at 4 °C. When A ...

    Text Solution

    |

  7. Two objects have exactly the same shape. Object A has emissivity of 0....

    Text Solution

    |

  8. The energy spectrum f a black body exhibits a maximum around a wavelen...

    Text Solution

    |

  9. If R = universal gas constant, the amount of heat needed to raise the ...

    Text Solution

    |

  10. Half part of ice block is covered with black cloth and rest half is co...

    Text Solution

    |

  11. A sphere of density d, specific heat s and radius r is hung by a therm...

    Text Solution

    |

  12. A cup of tea cools from 65.5^@C to 62.55^@C in one minute is a room at...

    Text Solution

    |

  13. In an isothermal reversible expansion, if the volume of 96 gm of oxy...

    Text Solution

    |

  14. Efficiency of a Carnot engine is 50% when temperature of outlet is 500...

    Text Solution

    |

  15. The volume of air increases by 5% in its adiabatic expansion. The prec...

    Text Solution

    |

  16. A gas at 300 K has pressure 4 xx 10^(-10) N//m^(2). IF k = 1.38 xx 10^...

    Text Solution

    |

  17. Assertion: If a gas is heated isothennally, then no part of the heat s...

    Text Solution

    |

  18. Two containers are filled, each with a different gas. Two containers a...

    Text Solution

    |

  19. By what percentage should the pressure of a given mass of a gas be inc...

    Text Solution

    |

  20. A Carnot engine, whose efficiency is 40%, takes in heat from a source ...

    Text Solution

    |