Home
Class 11
PHYSICS
A body cools from 62^@C to 50^@C in 10 m...

A body cools from `62^@C` to `50^@C` in 10 minutes. If the surrounding temperature is `26^@C` the temperature at the end of next 10 minutes is
A. `38^@C`
B. `45^@C`
C. `42^@C`
D. `40^@c`

A

A. `38^@C`

B

B. `45^@C`

C

C. `42^@C`

D

D. `40^@c`

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • SOUND

    CHETANA PUBLICATION|Exercise EXERCISE|145 Videos

  • Unit Test 1

    CHETANA PUBLICATION|Exercise EXERCISE|18 Videos

Similar Questions

Explore conceptually related problems

A body cools from 51^@C to 50.9^@C in 10 sec. If surrounding temperature is 31^@C . The time taken to cool from 41^@C to 40.9^@C will be

A body cools from 100^@C to 70^@C in 4 minute. If the room temperature is 15^@C the time taken to cool from 70^@C to 40^@C will be

A body cools from 80^(@)C to 60^(@)C in 5 minutes. Then its average rate of cooling is

A body cools from 62^@ C to 50^@C in 10 minutes. How long will it take to cool to 42^@C , if room temperature is 26^@C ?

A body takes 8 min to cool from 60^@ C to 50^@C . If the temperature of sorrunding is 30^@C , then temperature of body after next 20 min. will be

If a body cools from 80^@C to 50^@ C at room temperature of 25^@ C in 30 minutes.Find the temperature of the body after 1 hour.

Water at 100^@ C cools in 10 minutes to 80^@ C in a room temperature of 25^@ C .Find the temperature of water after 20 minutes.

Hot water cools from 60^@C to 50^@C in the first 10 minute and to 42^@C in the next 10 minute The temperature of the surrounding is

The temperature of a body falls from 50^(@)C to 40^(@)C in 10 minutes. If the temperature of the surroundings is 20^(@)C Then temperature of the body after another 10 minutes will be

CHETANA PUBLICATION-THERMAL PROPERTIES OF MATTER-EXERCISE
  1. The thermal conductivity of a metal plate is 80 w//mk. If the thicknes...

    Text Solution

    |

  2. A wall of a room has dimensions of 6m xx 4m. It is 60 cm thick. Its th...

    Text Solution

    |

  3. A body cools from 62^@C to 50^@C in 10 minutes. If the surrounding tem...

    Text Solution

    |

  4. A body cools from 51^@C to 50.9^@C in 10 sec. If surrounding temperatu...

    Text Solution

    |

  5. The cooling curve is represented by graph.......... A B C D

    Text Solution

    |

  6. Gravitation plays a role in..... A. conduction B. convection C. rad...

    Text Solution

    |

  7. Three different liduid A , B, C of equal masses have temperatures of ...

    Text Solution

    |

  8. The MKS unit of thermal resistance is

    Text Solution

    |

  9. A 10^@ temperature difference is maintained across the two faces of a ...

    Text Solution

    |

  10. The dimension of thermal resistance are.............

    Text Solution

    |

  11. The relation between alpha and beta is

    Text Solution

    |

  12. The temperature and pressure at the triple point of water are

    Text Solution

    |

  13. Iron sheet 50 cm X 20 cm is heated through 100^@C. If prop = 12 xx 10^...

    Text Solution

    |

  14. What are the important characteristics of a thermometer?

    Text Solution

    |

  15. Define thermal capacity?

    Text Solution

    |

  16. State Newton's law of cooling?

    Text Solution

    |

  17. Define (i) Sublimation

    Text Solution

    |

  18. Define(ii) Triple point

    Text Solution

    |

  19. Give any four applications of thermal conductivity in everyday life.

    Text Solution

    |

  20. Why do we consider two specific heats heat for a gas?

    Text Solution

    |