Home
Class 11
PHYSICS
A refrigerator works between 4^(@)C and ...

A refrigerator works between `4^(@)C` and `30^(@)C`. It is required to remove `600 calories` of heat every second in order to keep the temperature of the refrigerator space constant.The power required is (Take `1calorie= 4.2 J`)

A

2.365W

B

23.65W

C

236.5W

D

2356W

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • THERMAL PROPERTIES OF MATTER

    DISHA|Exercise All Questions|44 Videos

  • WAVE OPTICS

    DISHA|Exercise PHYSICS|44 Videos

Similar Questions

Explore conceptually related problems

A refrigerator works between 0°C and 45°C .It is required to remove 2000 J of heat per second in order to keep the temperature of freezer constant.The electric power required is about

A refrigerator works between 0°C and 27°C. Heat is to be removed from the refrigerated space at the rate of 50 kcal/ minute, the power of the motor of the refrigerator is

A refrigerator works between 3^(@)C and 40^(@)C . To keep the temperature of the refrigerator constant, 600 calories of heat is to be removed every second. The power required is

An ideal refrigerator runs between -23^(@)C and 27^(@)C . Find the heat regected to atomosphere for every joule of work input.

1 calorie is the heat required to increased the temperature of 1 gm of water by 1°C from

DISHA-THERMODYNAMICS-PHYSICS
  1. An ideal gas is taken through the cycle AtoBtoCtoA, as shown in the fi...

    Text Solution

    |

  2. An ideal gas undergoing adiabatic change has the following pressure-te...

    Text Solution

    |

  3. In a thermodynamic process, pressure of a fixed mass of a gas is chang...

    Text Solution

    |

  4. The cofficient of performance of a refrigerator is 5. If the temperatu...

    Text Solution

    |

  5. Two gases have the same initial pressure, volume and temperature. They...

    Text Solution

    |

  6. The above p-v diagram represents the thermodynamic cycle of an engine,...

    Text Solution

    |

  7. For an ideal gas graph is shown for three processes. Process 1, 2 and ...

    Text Solution

    |

  8. During an adiabatic process an object does 100J of work and its temper...

    Text Solution

    |

  9. A refrigerator works between 4^(@)C and 30^(@)C. It is required to rem...

    Text Solution

    |

  10. A perfect gas goes from a state A to another state B by absorbing 8 × ...

    Text Solution

    |

  11. One mole of a diatomic ideal gas undergoes a cyclic process ABC as sho...

    Text Solution

    |

  12. Two Carnot engines A and B are operated in series. The engine A receiv...

    Text Solution

    |

  13. An ideal gas is initially at P1,V1 is expands to P2,V2 and then compre...

    Text Solution

    |

  14. Which of the following statements is correct for any thermodynamic sys...

    Text Solution

    |

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

    Text Solution

    |

  16. A sample of an ideal gas in a cyclinder is compressed adiabatically to...

    Text Solution

    |

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

    Text Solution

    |

  18. An ideal gas goes from State A to state B via three different process ...

    Text Solution

    |

  19. In the P-V diagram shown in figure ABC is a semicircle. The work done ...

    Text Solution

    |

  20. For an isothermal expansion of a perfect gas, the value of (DeltaP)/(P...

    Text Solution

    |