Home
Class 12
PHYSICS
The efficiency of carnot engine is 50% a...

The efficiency of carnot engine is 50% and temperature of sink is 500K. If temperature of source is kept constant and its efficiency raised to 60%, then the required temperature of the sink will be : -

A

`600 K`

B

`500 K`

C

`400 K`

D

`100 K`

Text Solution

Verified by Experts

The correct Answer is:
c
Promotional Banner

Topper's Solved these Questions

  • GRAVITATION

    NEET PREVIOUS YEAR (YEARWISE + CHAPTERWISE)|Exercise Gravitation|50 Videos

  • LAWS OF MOTION

    NEET PREVIOUS YEAR (YEARWISE + CHAPTERWISE)|Exercise Physics|60 Videos

Similar Questions

Explore conceptually related problems

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

The efficiency of Carnot engine when source temperature is T 1 and sink temperature is T 2 will be

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 ?

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?

Efficiency of an engine is 0.4, when temperature of its sink ( cold body) is 300 K. What id the temperature of the hot body? Find its efficiency, if the temperature of the hot body is kept unchanged, while temperature of the sink (cold body) is lowered by 50 K. Treat it as reversible engine).

The temperature of sink of Carnot engine is 127^@C . Efficiency of engine is 50% . Then, temperature of source is

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?

NEET PREVIOUS YEAR (YEARWISE + CHAPTERWISE)-HEAT AND THERMODYNAMICS-PHYSICS
  1. Consider a compound slab consisting of two different material having e...

    Text Solution

    |

  2. For a black body at temperature 727^@C, its radiating power is 60 watt...

    Text Solution

    |

  3. The efficiency of carnot engine is 50% and temperature of sink is 500K...

    Text Solution

    |

  4. Condider two rods of same length and different specific heats (s(1), s...

    Text Solution

    |

  5. The unit of Stefan's constant sigma is

    Text Solution

    |

  6. Wien's law is concerned with

    Text Solution

    |

  7. Which of the following is close to an ideal black body ?

    Text Solution

    |

  8. Rate of heat flow through a cylindrical rod is H(1). Temperatures of e...

    Text Solution

    |

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

    Text Solution

    |

  10. A black body has maximum wavelength lambda(m) at temperature 2000 K. I...

    Text Solution

    |

  11. Which one of the following processes depends on gravity ?

    Text Solution

    |

  12. The gases carbon-monoxide (CO) and nitrogen at the same temperature ha...

    Text Solution

    |

  13. An engine takes heat from a reservior and converts its 1//6 part into ...

    Text Solution

    |

  14. The degrees of freedom of a molecule of a triatomic gas are

    Text Solution

    |

  15. An ideal gas at 27^(@)C is compressed adiabatically to 8//27 of its or...

    Text Solution

    |

  16. Coefficient of linear expansion of brass and steel rods are alpha(1) a...

    Text Solution

    |

  17. if 1 g of system is mixed with 1 g of ice, then the resultant temperat...

    Text Solution

    |

  18. The radiant energy from the Sun incident normally at the surface of ea...

    Text Solution

    |

  19. We consider a thermodynamic system. If DeltaU represents the increase ...

    Text Solution

    |

  20. If the ratio of specific heat of a gas of constant pressure to that at...

    Text Solution

    |