Home
Class 11
PHYSICS
Assertion : A brass tumbler feels much c...

Assertion : A brass tumbler feels much colder than a wooden tray on a chilly day.
Reason : The thermal conductivity of brass is less than that of wood.

A

If both assertion and reason are true and the reason is the correct explanation of the assertion.

B

If both assertion and reason are true but reason is not the correct explanation of the assertion

C

If assertion is true reason is false

D

If the assertion and reason both are false.

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • TRANSMISSION OF HEAT

    ERRORLESS |Exercise ET Self Evaluation Test|23 Videos

  • TRANSMISSION OF HEAT

    ERRORLESS |Exercise Graphical Questions|17 Videos

  • THERMOMETRY, THERMAL EXPANSION AND CALORIMETRY

    ERRORLESS |Exercise Self Evaluation Test|15 Videos

  • UNITS, DIMENSION & MEASUREMENTS

    ERRORLESS |Exercise All Questions|333 Videos

Similar Questions

Explore conceptually related problems

Explain why a brass tumbler feels much colder than a wooden tray on a chilly day.

A copper tumbler feels much colder than a wooden block on a cold day. Explain why.

Explain why : (a) A body with large reflectivity is a poor emitter. (b) A brass tumbler feels much colder then a wooden tray on a chilly day. (c ) an optical pyrometer (for measuring high temperatures) calibrated for an ideal black body correct value for the temperature when the same piece is in the furnace. (d) The earth without its atmosphere would be inshospitably cold. (e ) Heating system based on circulation of steam are more effecient in warming a building than those based on circulation of hot water.

Thin people feel colder than fat ones. Give reason.

Assertion (A): The masss of 150 m^(3) of iron is greater than the mass of 150 m^(3) of wood. Reason (R): The densiy of iron is less than the density of wood.

Assertion : In desert area, days get hot fastly and the nights get cold fastly . Reason : The specific heat capacity for air and land is less than that of water.

ERRORLESS -TRANSMISSION OF HEAT-Assertion & Reason
  1. Assertion : Bodies radiate heat at all temperatures. Reason : Ra...

    Text Solution

    |

  2. Assertion : Woollen clothes keep the body warm in winter Reason : Ai...

    Text Solution

    |

  3. Assertion : The equivalent thermal conductivity of two plates of same ...

    Text Solution

    |

  4. Assertion : A hollow metallic closed container maintained at a uniform...

    Text Solution

    |

  5. Assertion : If the temperature of a star is doubled then the rate loss...

    Text Solution

    |

  6. Assertion : The radiation from the sun’s surface varies as the fourth ...

    Text Solution

    |

  7. Assertion : Blue star is at high temperature than red star. Reason :...

    Text Solution

    |

  8. Assertion : The S.I. unit of thermal conductivity is watt m ^(1)1 K^(1...

    Text Solution

    |

  9. Assertion : A brass tumbler feels much colder than a wooden tray on a ...

    Text Solution

    |

  10. Assertion: Like light radiation, thermal radiations are also electroma...

    Text Solution

    |

  11. Assertion : Snow is better insulator than ice. Reason : Snow con...

    Text Solution

    |

  12. Assertion : Water can be boiled inside satellite by convection. Re...

    Text Solution

    |

  13. Assertion : The absorbance of a perfect black body is unity. Reas...

    Text Solution

    |

  14. Assertion : A man would feel iron or wooden balls equally hot at 98.4°...

    Text Solution

    |

  15. Statement-1 : As temperature of a black body is raised, wavelenght cor...

    Text Solution

    |

  16. Assertion : All black coloured objects are considered black bodies. ...

    Text Solution

    |

  17. Assertion : Greater is the coefficient of thermal conductivity of a ma...

    Text Solution

    |

  18. Assertion : Radiation is the speediest mode of heat transfer. Rea...

    Text Solution

    |

  19. Assertion : Two thin blankets put together are warmer than a single bl...

    Text Solution

    |

  20. Assertion : Animals curl into a ball, when they feel very cold. Re...

    Text Solution

    |