Home
Class 11
PHYSICS
The temperatures T(1) and T(2) of two he...

The temperatures `T_(1) and T(2)` of two heat reservoirs in an ideal carnot engine are `1500^(@)C and 500^(@)C`. Which of these (a) increasing `T_(1) by 100^(@)C` or (b) decreasing `T_(2) by 100^(@)C` would result in greater improvement of the efficiency of the engine?

Promotional Banner

Topper's Solved these Questions

  • THERMODYNAMICS

    SL ARORA|Exercise Problems for self practice|97 Videos

  • THERMODYNAMICS

    SL ARORA|Exercise Exercise|342 Videos

  • THERMODYNAMICS

    SL ARORA|Exercise Exercise|342 Videos

  • Thermal Properties of Matter

    SL ARORA|Exercise Exercise|449 Videos

  • Units and Measurements

    SL ARORA|Exercise Exercise|499 Videos

Similar Questions

Explore conceptually related problems

The temperature T_(1) and T_(2) of heat reservoirs in the ideal carnot engine are 15000^(@)C and 500^(@)C respectivley. If T_(1) increases by 100^(@)C , what will be the efficiency of the engine?

An ideal Carnot's engine works between 227^(@)C and 57^(@)C . The efficiency of the engine will be

A Carnot engine works between temperature 0^(@)C and 100^(@)C . Calculate its efficiency.

In a Carnot engine when T_(2) = 0^(@)C and T_(1) = 200^(@)C its efficiency is eta_(1) and when T_(1) = 0^(@)C and T_(2) = -200^(@)C . Its efficiency is eta_(2) , then what is eta_(1)//eta_(2) ?

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

What percentage T_(1) is of T_(2) for a 10% efficiency of a heat engine?

SL ARORA-THERMODYNAMICS-Problems from competitive examinations
  1. The pressure of one gram mole of a monoatomic gas increases linearly f...

    Text Solution

    |

  2. Two moles of an ideal monoatomic gas are confined within a cylinder by...

    Text Solution

    |

  3. The temperatures T(1) and T(2) of two heat reservoirs in an ideal carn...

    Text Solution

    |

  4. An ideal gas with pressure P, volume V and temperature T is expanded i...

    Text Solution

    |

  5. An ideal gas having initial pressure P, volume V and temperature T is ...

    Text Solution

    |

  6. At 27^@C two moles of an ideal monoatomic gas occupy a volume V. The g...

    Text Solution

    |

  7. The rectangular box shown in Fig has partition which can slide without...

    Text Solution

    |

  8. Two different adiabatic curves for the same gas intersect two isotherm...

    Text Solution

    |

  9. In the figure an ideal gas changes is state from state A to state C by...

    Text Solution

    |

  10. A sample of 2 kg of monoatomic helium (assumed ideal) is taken through...

    Text Solution

    |

  11. One mole of a diatomic ideal gas (gamma=1.4) is taken through a cyclic...

    Text Solution

    |

  12. One mole of an ideal monatomic gas is taken round the cyclic process A...

    Text Solution

    |

  13. Two moles of an ideal monoatomic gas, initially at pressure p1 and vol...

    Text Solution

    |

  14. Two metal cubes A and B of same size are arranged as shown in Figure. ...

    Text Solution

    |

  15. One end of a copper rod of uniform cross-section and of length 3.1 m i...

    Text Solution

    |

  16. A cylinder of radius R made of a material of thermal conductivity K(1)...

    Text Solution

    |

  17. Three cylindrical rods A, B and C of equal lengths and equal diameters...

    Text Solution

    |

  18. An electric heater is used in a room of total wall area 137m^(2) to ma...

    Text Solution

    |

  19. A cylindrical block of length 0.4 m and area of cross-section 0.04 m^2...

    Text Solution

    |

  20. A wire of length 1 m and radius 10^-3m is carrying a heavy current and...

    Text Solution

    |