Home
Class 11
PHYSICS
A bucket full of hot water is kept in a ...

A bucket full of hot water is kept in a room and it cools from 75°C to 70°C in T1 minutes, from 70°C to 65°C in `T_2` minutes and from 65°C to 60°C in `T_3` minutes. Then –

A

`T_(1)=T_(2)=T_(3)~

B

`T_(1) lt T_(2) lt T_(3)`

C

`T_(1) gt T_(2) gt T_(3)`

D

`T_(1) lt T_(2) gt T_(3)`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

A substance cools from 75^@C to 70^@C in T_1 minute, from 70^@C to 65^@C in T_2 minute and from 65^@C to 60^@C in T_3 minute, then.

A vessel full of hot water is kept in a room and it cools from 80^(@)C to 75^(@)C in T_(1) minutes, from 75^(@)C to 70^(@)C in T_(2) minutes and from 70^(@)C to 65^(@)C in T_(3) minutes Then .

A beaker full of hot water is kept in a room and it cools from 80^(@)C to 75^(@)C in t_(1) mminutes , from 75^(@)C to 65^(@)C in t_(2) minutes and from 70^(@)C to 65^(@)C in t_(3) min, then

A bucket full of hot water cools from 75^(@)C to 70^(@)C in time T_(1) , from 70^(@)C to 65^(@)C in time T_(2) and from 65^(@)C to 60^(@)C in time T_(3) , then

Hot water kept in a beaker placed in a room cools from 70^(@)C to 60° C in 4 minutes . The time taken by it to cool from 69^(@)C to 59^(@)C will be

If a cup of tea cools from 80°C to 72°C in 5 minutes and from 72 C to 66°C in the next 5 minutes, then temperature of surrounding is

A body in a room cools from 85^(@)C to 80^(@)C in 5 minutes. Then the time taken to cool from 80^(@)C to 75^(@)C is

A hot water kept in a beaker placed in a room cools from 60^(@)C to 50^(@)C in 8 min. then the time taken by it to cool from 50^(@)C to 40^(@)C is

A body cools from 70^(@)C to 60^(@)C in 8minute The same body cools from 60^(@)C to 50^(@)C in .

MOTION-SHM-WAVE,GRAVITATION,FLUID,HEAT-EXERCISE
  1. Which of the substances A, B or C has the highest specific heat ? The ...

    Text Solution

    |

  2. Newton's law of cooling is used in laboratory for the determination of...

    Text Solution

    |

  3. A bucket full of hot water is kept in a room and it cools from 75°C to...

    Text Solution

    |

  4. The rectangular surface of area 8 cm xx 4 cm of a black body at temper...

    Text Solution

    |

  5. The temperature of a body is increased from –73°C to 327°C. Then the r...

    Text Solution

    |

  6. What will be the ratio of temperatures of sun and moon if the waveleng...

    Text Solution

    |

  7. Liquid is filled in a vessel which is kept in a room with temperature ...

    Text Solution

    |

  8. The maximum wavelength of radiation emitted at 200 K is 4 μm. What wil...

    Text Solution

    |

  9. Two rods of same material and thickness are joined as shown below. The...

    Text Solution

    |

  10. In previous question the ratio of heat flow at M and N are Q1 and Q2 r...

    Text Solution

    |

  11. Two rods of the same length and areas of cross-section A1 and A2 have ...

    Text Solution

    |

  12. On heating one end of a rod the temperature of the whole rod will be u...

    Text Solution

    |

  13. A cylinder of radius R made of a material of thermal conductivity K1 i...

    Text Solution

    |

  14. Wires A and B have have identical lengths and have circular cross-sect...

    Text Solution

    |

  15. When water is heated from 0^(@)C to 10^(@)C , its volume

    Text Solution

    |

  16. Statement I : Escape velocity of a tennis ball from the surface of ear...

    Text Solution

    |

  17. Statement I : The weight of a body at the centre of earth is zero St...

    Text Solution

    |

  18. Statement I : Earth continuously attracts the moon towards its centre ...

    Text Solution

    |

  19. Assertion : At height h from ground and at depth h below ground, where...

    Text Solution

    |

  20. Assertion : If ice on the pole melts, length of the day will shorten. ...

    Text Solution

    |