Home
Class 12
PHYSICS
A Carnot engine, having an efficiency of...

A Carnot engine, having an efficiency of `eta= 1/10` as heat engine, is used as a refrigerator. If the work done on the system is 10 J, the amount of energy absorbed from the reservoir at lower temperature is

A

99J

B

90J

C

1J

D

100J

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • NEET-UG DRILL TEST 14

    NEET MAJOR TEST (COACHING)|Exercise PHYSICS|45 Videos
  • SCORE TEST 2

    NEET MAJOR TEST (COACHING)|Exercise PHYSICS|25 Videos

Similar Questions

Explore conceptually related problems

A carnot engine, having an efficiency of eta=1//10 as heat engine, is used as a refrigerator. If the work done on the system is 10J , the amount of energy absorbed from the reservior at lower temperature is

A carnot engine having an efficiency of (1)/(5) is being used as a refrigerator. If the work done on the refrigerator is 8 J, the amount of heat absorbed from the reservoir at lower temperature is:

A carnot engine having an efficiency of 1/4 is being used as a refrigerator. If the work done on the refrigerator is 5 J, the amount of heat absorbed from the reservoir at lower temperature is:

In ta carnot engine, when heat is absorbed from the source, its temperature

A Carnot heat engine has an efficiency of 10% . If the same engine is worked backward to obtain a refrigerator, then find its coefficient of performance.

NEET MAJOR TEST (COACHING)-NEET-UG DRILL TEST 15-PHYSICS
  1. A system goes from A and B via two processes. I and II as shown in fig...

    Text Solution

    |

  2. A gas has molar heat capacity C = 4.5 R in the process PT = constant. ...

    Text Solution

    |

  3. A Carnot engine, having an efficiency of eta= 1/10 as heat engine, is ...

    Text Solution

    |

  4. On a new scale of temperature (which is linear) and called the W scale...

    Text Solution

    |

  5. If x=a sin(omegat+(pi)/6) and x= a cos omegat, then what is the phase ...

    Text Solution

    |

  6. The total mechanicla energy of a spring mass sytem in simple harmonic ...

    Text Solution

    |

  7. A particle executing SHM with time period T and amplitude A. The mean ...

    Text Solution

    |

  8. Two springs of force constants k(1) and k(2), are connected to a mass ...

    Text Solution

    |

  9. In a seconds pendulum, mass of bob is 30 gm . If it is replaced by 90 ...

    Text Solution

    |

  10. The S.H.M. of a particle is given by the equation y=3 sin omegat + 4 ...

    Text Solution

    |

  11. A wooden cube (density of wood 'd') of side 'l' flotes in a liquid of ...

    Text Solution

    |

  12. The phase difference between two points separated by 1m in a wave of f...

    Text Solution

    |

  13. The linear density of a vibrating string is 1.3 xx 10^(-4) kg//m A tra...

    Text Solution

    |

  14. Speed of sound in mercury at a certain temperature is 1450 m/s . Given...

    Text Solution

    |

  15. A train moving at a speed of 220ms^-1 towards a stationary object emit...

    Text Solution

    |

  16. If (I("max"))/(I("min"))=(36)/(25) then find ratio of maximum to minim...

    Text Solution

    |

  17. A string of length 20 cm and linear mass density 0.40 g//cm is fixed a...

    Text Solution

    |

  18. A vehicle, with a horn of frequency n is moving with a velocity of 30 ...

    Text Solution

    |

  19. A tuning fork of known frequency 256 Hz makes 5 beats per second with ...

    Text Solution

    |

  20. A centigrade and a Fehrenheit thermometer are dipped in boiling water....

    Text Solution

    |