Home
Class 11
PHYSICS
Themperature of a body theta is slightly...

Themperature of a body `theta` is slightly more than the temperature of the surrounding `theta_(0)` its rate of cooling `(R )` versus temperature of body `(theta)` is plotted its shape would be .

A

B

C

D

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • TRANSMISSION OF HEAT

    NARAYNA|Exercise LEVEL-I(H.W)|19 Videos
  • TRANSMISSION OF HEAT

    NARAYNA|Exercise LEVEL-II(C.W)|27 Videos
  • TRANSMISSION OF HEAT

    NARAYNA|Exercise SINGLE ANSWER QUESTIONS Passage -1|1 Videos
  • THERMODYNAMICS

    NARAYNA|Exercise Exercise|187 Videos
  • UNITS AND MEASUREMENTS

    NARAYNA|Exercise STATEMENT TYPE QUESTION|23 Videos

Similar Questions

Explore conceptually related problems

As difference of temperature of body and surroundings increases, rate of cooling

When a body has the same temperature as that of its surroundings

A hot body is kept in cooler surroundings. Its rate of cooling is 3^(@)C /min when its temperature is 60^(@)C and 1.5^(@)C / min when its temperature is 45^(@)C . Determine the temperature of the surroundings and the rate of cooling when the temperature of the body is 40^(@)C

A body is heated to a temperature of 75^(@)C and is allowed to cool. If the temperature of the surrounding is 35^(@)C , then the temperature at which the rate of cooling will be exactly half of that initially will be

A body cools from 50^@C " to " 40^@C in 5 min. If the temperature of the surrounding is 20^@C , the temperature of the body after the next 5 min would be

A body at a temperature of 50^0F is placed outdoors where the temperature is 100^0F . If the rate of change of the temperature of a body is proportional to the temperature difference between the body and its surrounding medium. If after 5 min the temperature of the body is 60^0F , find (a) how long it will take the body to reach a temperature of 75 ^0 F and (b) the temperature of the body after 20 min.

A body takes 10 min to cool douwn from 62^@C to 50^@C . If the temperature of surrounding is 26^@C then in the next 10 minutes temperature of the body will be

NARAYNA-TRANSMISSION OF HEAT-SINGLE ANSWER QUESTIONS
  1. A body obeying Newton's law of cooling cools in a surrounding which is...

    Text Solution

    |

  2. The three rods of same meterial and crosssectional area from the sides...

    Text Solution

    |

  3. Themperature of a body theta is slightly more than the temperature of ...

    Text Solution

    |

  4. A body cools from 80^(@)C to 70^(@)C in 10 minutes Find the required f...

    Text Solution

    |

  5. The emissive power of a black body at T=300K is 100Watt//m^(2) conside...

    Text Solution

    |

  6. A spherical shell of inner radius R(1) and outer radius R(2) is having...

    Text Solution

    |

  7. A radiator whose temperature is T^(@)C is used to heat the room in the...

    Text Solution

    |

  8. The Thin walled spheres of different matrials one with double the radi...

    Text Solution

    |

  9. An object is being heated by a heater supplying 60W of heat. Temperatu...

    Text Solution

    |

  10. The container A is constantly maintained at 100^(@)C and insulated con...

    Text Solution

    |

  11. The spectra of radiation emitted by two distant stars are shown below ...

    Text Solution

    |

  12. An irregular rod of same uniform material as shown in is conducting he...

    Text Solution

    |

  13. A solid copper sphere of dimater 10mm is cooled to temperature of 150K...

    Text Solution

    |

  14. The temperature across two different slabs A and B are shown I the ste...

    Text Solution

    |

  15. The temperature drop through a two layer furnace wall is 900^@C. Each ...

    Text Solution

    |

  16. Seven identical rods of matrical of thermal conductivity k are connect...

    Text Solution

    |

  17. A composite block is made of slabs A,B,C,D and E of different thermal ...

    Text Solution

    |

  18. In Newton's law of cooling (d theta)/(dt)=-k(theta-theta(0)) the const...

    Text Solution

    |

  19. Consider a spherical body A of radius R which is placed concentrically...

    Text Solution

    |

  20. Consider a spherical body A of radius R which is placed concentrically...

    Text Solution

    |