Home
Class 12
PHYSICS
The efficiency of a Carnot engine which ...

The efficiency of a Carnot engine which operates between the two temperatures `T_1=500K` and `T_2=300K` is

A

0.75

B

0.5

C

0.4

D

0.25

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • KINETIC THEORY OF GASES AND RADIATION

    TARGET PUBLICATION|Exercise Evaluation test|18 Videos

  • KINETIC THEORY OF GASES AND RADIATION

    TARGET PUBLICATION|Exercise critical thinking|104 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

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

Imagine a Carnot engine that operates between the temperatures T_H = 850 K and T_L = 300 K . The engine performs 1200 J of work cach cycle, which takes 0.25 s. (a) What is the efficiency of this engine?

Imagine a Carnot engine that operates between the temperatures T_H = 850 K and T_L = 300 K . The engine performs 1200 J of work cach cycle, which takes 0.25 s. (c) How much energy । Q_H। is extracted as heat from the high-temperature reservoir every cycle?

Imagine a Carnot engine that operates between the temperatures T_H = 850 K and T_L = 300 K . The engine performs 1200 J of work cach cycle, which takes 0.25 s. (d) How much energy । Q_L। is delivered as heat to the low-temperature reservoir every cycle?

Imagine a Carnot engine that operates between the temperatures T_H = 850 K and T_L = 300 K . The engine performs 1200 J of work cach cycle, which takes 0.25 s. (b) What is the average power of this engine?

The efficiency of a Carnot engine working between 800 K and 500 K is -

TARGET PUBLICATION-KINETIC THEORY OF GASES AND RADIATION -Competitive thinking
  1. A refrigerator works between 4^(@)C and 30^(@)C. It is required to rem...

    Text Solution

    |

  2. The efficiency of an ideal heat engine working between the freezing po...

    Text Solution

    |

  3. The efficiency of a Carnot engine which operates between the two tempe...

    Text Solution

    |

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

    Text Solution

    |

  5. A Carnot engine takes 3xx10^6 cal of heat from a reservoir at 627^@C a...

    Text Solution

    |

  6. When an ideal diatomic gas is heated at constant pressure, the fractio...

    Text Solution

    |

  7. A diatomic gas undergoes same change of temperature by two different p...

    Text Solution

    |

  8. A diatomic gas (gamma = 1.4) does 300 J work when it is expanded isoba...

    Text Solution

    |

  9. A thermodynamic system is taken through the cyclic PQRSP process. The ...

    Text Solution

    |

  10. One mole of an ideal gas goes from an initial state A to final state B...

    Text Solution

    |

  11. An ideal gas is compressed to half its initial volume by means of seve...

    Text Solution

    |

  12. A gas is compressed isothermally to half its initial volume. The same ...

    Text Solution

    |

  13. Which of the following statements is true?

    Text Solution

    |

  14. Absorption co-efficient of an open window is...

    Text Solution

    |

  15. Absorption coefficient of totally blackbody is

    Text Solution

    |

  16. 0.4

    Text Solution

    |

  17. Coefficient of transmission is 0.22 and coefficient of reflection is 0...

    Text Solution

    |

  18. When 150 J of energy. is incident on surface of a body, 15 J of energy...

    Text Solution

    |

  19. Heat energy is incident on the surface at the rate of 1000 J/min. If c...

    Text Solution

    |

  20. Wien's law is

    Text Solution

    |