Home
Class 12
PHYSICS
Ice starts forming in a lake water at 0^...

Ice starts forming in a lake water at `0^(@)C` when the atmospheric temperature is `10^(@)C`. If the time taken for 1 cm of ice to be formed is 7 hour, the time taken for the thickness of the ice to change from 1 cm to 2 cm is :

A

7 h

B

less than 7 h

C

more than 7 h but less than 14 h

D

more than 14 h.

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • TRANSFERENCE OF HEAT

    MODERN PUBLICATION|Exercise Multiple Choice Questions (Level - III) Questions From AIEEE/JEE Examination)|5 Videos

  • TRANSFERENCE OF HEAT

    MODERN PUBLICATION|Exercise Recent Competitive Questions|4 Videos

  • TRANSFERENCE OF HEAT

    MODERN PUBLICATION|Exercise Recent Competitive Questions|4 Videos

  • SOLIDS & SEMICONDUCTOR DEVICES

    MODERN PUBLICATION|Exercise Revision Test|28 Videos

  • UNIFORM CIRCULAR MOTION

    MODERN PUBLICATION|Exercise Revision Test |57 Videos

Similar Questions

Explore conceptually related problems

In a first order reaction the concentration of the reactant decreases from 0.8 to 0.4 M in 15 minutes . The time taken for the concentration to change from 0.1 M to 0.025 M is :

Time taken by a 836 W heater to heat 1 litre of water from 10^@C to 40^@C is

The maximum value of current from an A.C. source of 50 Hz is 5 A. The time taken by the current to grow from 0 to 2.5 A is

Suppose that 1 L of water is heated for a certain time to rise its temperature for 2^@ C. If 2L of water is heated for the same time, how much of its temperature would rise?

What will happen to the volume of a bubble of air found under water in a lake, where the temperature is 15^(@)C and the pressure is 1.5 atm. If the bubble then rises to the surface where the temperature is 25^(@)C and the pressure is 1.0 atm ?

The rate constant for a fist order reaction is k = 7xx10^(-4)s^(-1) .The time taken for the reactant to be reduced to 1/2 of the initial concentration is :

MODERN PUBLICATION-TRANSFERENCE OF HEAT -Multiple Choice Questions (Level - II)
  1. Time taken by the body to cool from 45^(@)C to 35^(@)C is

    Text Solution

    |

  2. The plots of intensity versus wavelength for three black bodies at tem...

    Text Solution

    |

  3. Two spheres of the same material have radii 1 m and 4 m and temperatur...

    Text Solution

    |

  4. The graph shown in the adjacent diagram, represents the variation of t...

    Text Solution

    |

  5. Three discs A, B and C having radii 2m, 4 m and 6 m respectively are c...

    Text Solution

    |

  6. Two identical conducting rods are first connected independently to two...

    Text Solution

    |

  7. A radiation of energy E falls normally on a perfectly reflecting surfa...

    Text Solution

    |

  8. A body with area A at maintained temperature T and emissivity e=0.6 is...

    Text Solution

    |

  9. Ice starts forming in a lake water at 0^(@)C when the atmospheric temp...

    Text Solution

    |

  10. A body is placed in an insulating container at temperature 227^(@)C. I...

    Text Solution

    |

  11. A cylindrical rod is having temperature T(1) and T(2) at its ends. The...

    Text Solution

    |

  12. The rate of cooling at 600 K, if surrounding tempearture is 300 K is R...

    Text Solution

    |

  13. One end of a copper rod of length 1.0m and area of cross-section 10^(-...

    Text Solution

    |

  14. Consider a compound slab consisting of two different materials having ...

    Text Solution

    |

  15. The dimensions of thermal resistance are :

    Text Solution

    |

  16. There is formation of layer of snow x cm thick on water, when the temp...

    Text Solution

    |

  17. Suppose the sun expands, so that its radius becomes 100 times its pres...

    Text Solution

    |

  18. Which of the following circular rods, (given radius r and length l) ea...

    Text Solution

    |

  19. A hot liquid kept in a breaker cools from 80^(@)C to 70^(@)C in two mi...

    Text Solution

    |

  20. The two ends of a rod of length L and a uniform cross-sectional area A...

    Text Solution

    |