Home
Class 12
PHYSICS
1 Kg of ice at -20^(@)C is mixed with 2 ...

1 Kg of ice at `-20^(@)C` is mixed with 2 Kg of water at `90^(@)C`. Assuming that there is no loss of energy to the environment, what will be the final temperature of the mixture ? (Assume latent heat of ice = `334.4` KJ/Kg, specific heat of water and ice are `4.18 kJ//(kg.K)` and `2.09 kJ//(kg.K)`, respectively.)

A

`30^(@)C`

B

`0^(@)C`

C

`80^(@)C`

D

`45^(@)C`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • KVPY 2021

    KVPY PREVIOUS YEAR|Exercise PART I (Chemistry)|2 Videos

Similar Questions

Explore conceptually related problems

One kg of ice at 0^(@)C is mixed with 1 kg of water at 10^(@)C . The resulting temperature will be

2 kg ice at 0^@C is mixed with 8 kg of water at 20^@C . The final temperature is

100 g of ice at 0^(@)C is mixed with 0.25 kg of water at 0^(@)C The net transfer of heat is _______

1 kg of ice at 0^(@)C is mixed with 1.5 kg of water at 45^(@)C [latent heat of fusion = 80 cal//gl. Then

1 kg ice at -20^(@)C is mixed with 1 kg steam at 200^(@)C . The equilibrium temperature and mixture content is

1kg ice at -10^(@)C is mixed with 1kg water at 100^(@)C . Then final equilirium temperature and mixture content.

1kg ice at -10^(@) is mixed with 1kg water at 50^(@)C . The final equilibrium temperature and mixture content.

KVPY PREVIOUS YEAR-KVPY-All Questions
  1. The international space station is maintained in a nearly circular orb...

    Text Solution

    |

  2. A girl sees through a circular glass slab (refractive index 1.5) of th...

    Text Solution

    |

  3. 1 Kg of ice at -20^(@)C is mixed with 2 Kg of water at 90^(@)C. Assumi...

    Text Solution

    |

  4. A rigid body in the shape of a "V" has two equal arms made of uniform ...

    Text Solution

    |

  5. A point object is placed 20 cm left of a convex lens of focal length f...

    Text Solution

    |

  6. Stoke's law states that the viscous drag force F experienced by a sphe...

    Text Solution

    |

  7. A small box resting on one edge of the table is struck in such a way t...

    Text Solution

    |

  8. Carbon-II decays to boron-II according to the following formula. .(6...

    Text Solution

    |

  9. Two uniform plates of the same thickness and area but of different mat...

    Text Solution

    |

  10. Two spherical objects each of radii R and masses m1 and m2 are suspend...

    Text Solution

    |

  11. A horizontal disk of moment of inertia 4.25 kg-m^(2) with respect to i...

    Text Solution

    |

  12. A boy is standing on top of a tower of height 85 m and throws a ball i...

    Text Solution

    |

  13. For a diode connected in parallel with a resistor, which is the most l...

    Text Solution

    |

  14. A beam of monoenergetic electrons, which have been accelerated from re...

    Text Solution

    |

  15. A point charge Q(=3xx10^(-12)C) rotates uniformly in a vertical circle...

    Text Solution

    |

  16. A closed bottle containing water at 30^(@)C is open on the surface of ...

    Text Solution

    |

  17. A simple pendulum of length l is made to oscillate with an amplitude o...

    Text Solution

    |

  18. An ac voltmeter connected between points A and B in the circuit below ...

    Text Solution

    |

  19. A donor atom in a semiconductor has a loosely bound electron. The orbi...

    Text Solution

    |

  20. The state of an ideal gas was changed isobarically. The graph depicts ...

    Text Solution

    |