Home
Class 12
PHYSICS
A polished metallic piece and a black pa...

A polished metallic piece and a black painted wooden piece are kept in open in bright sun for a long time.

A

the wooden piece will absorbs less heat than the metallic piece

B

the wooden piece will have a lower temperature than the metallic piece

C

if touched, the metallic piece will feel hotter than the wooden piece

D

when the two pieces are removed from the open to a cold room, the wooden piece will lose heat at a lower rate than the metallic piece

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • HEAT - 1

    MOTION|Exercise EXERCISE -2 (Level - I) Objective Problems | JEE Main|24 Videos
  • HEAT - 1

    MOTION|Exercise EXERCISE -2 (Level - II) Multiple Correct | JEE Advanced|16 Videos
  • HEAT - 1

    MOTION|Exercise EXERCISE -4 (Level - II) Previous Year | JEE Advanced|22 Videos
  • GRAVITATION

    MOTION|Exercise Exercise - 4 Section - B Previous Years Problems|15 Videos
  • HEAT TRANSFER & THERMAL EXPANSION

    MOTION|Exercise Exercise - 3 Section-B|19 Videos

Similar Questions

Explore conceptually related problems

When a potato piece is kept in a highly concentrated salt solution, then

A small piece of aluminium metal was placed in a beaker containing a greenish solution. After some time a grey coating was observed on the aluminium piece. The greenish solution is most likely to be:

A small cylindrical soft iron piece is kept in a galvanometer so that

A polished metal plate with a rough black spot on it is heated to about 1400K and quickly taken into dark room Then .

A piece of charcol and a piece of shining steel of the same surface area are kept for a long time in an open lawn in bright sun.

A piece of string is 40 centimeters long. It is cut into three pieces. The longest piece is 3 times as long as the middle- sized piece and the shortest piece is 23 centimeters shorter than the longest piece. Find the length of the shortest piece.

Silver articles turn black when kept in the open for longer time due to the formation of

A piece of metal is cut from a hollow metal sphere of radius R and is polished on both sides. A boy looks at the metal piece and finds his image 13 cm behind the metal piece. His friend flips the mirror, keeping its position unchanged and now the boy finds his image to be 52 cm behind the mirror. Find R.

MOTION-HEAT - 1-EXERCISE - 1 Objective Problems | JEE Main
  1. From a black body, radiation is not :

    Text Solution

    |

  2. In accordance with Kirchhoff’s law. Which of the following is incorrec...

    Text Solution

    |

  3. The energy radiated by a body does not depends on

    Text Solution

    |

  4. A polished metallic piece and a black painted wooden piece are kept i...

    Text Solution

    |

  5. Nature of thermal radiations is similar to the nature of -

    Text Solution

    |

  6. Heat radiation exhibit the phenomenon of polarization which means that...

    Text Solution

    |

  7. Following is not a property of radiation –

    Text Solution

    |

  8. Transfer of heat in friction is by –

    Text Solution

    |

  9. Which of the following surface will emit least heat radiation –

    Text Solution

    |

  10. Emissive power of any surface (e), Absorptive power (a), Reflecting po...

    Text Solution

    |

  11. A black metal foil is warmed by radiation from a small sphere at tempe...

    Text Solution

    |

  12. Two bodies P and Q have thermal emissivities of varepsilon(P) and vare...

    Text Solution

    |

  13. The rate of emission of radiation of a black body at 273^(@)C is E, th...

    Text Solution

    |

  14. The power radiated by a black body is P, and it radiates maximum energ...

    Text Solution

    |

  15. Spheres P and Q are uniformally constructed from the same material whi...

    Text Solution

    |

  16. A solid sphere and a hollow sphere of the same material and of equal r...

    Text Solution

    |

  17. The rate of cooling of a body by radiation depends on :

    Text Solution

    |

  18. Two metallic sphere A and B are made of same material and have got ide...

    Text Solution

    |

  19. Stars S(1) emits maximum radiation of wave length 420nm and the star S...

    Text Solution

    |

  20. The intensity of radiation emitted by the sun has its maximum value at...

    Text Solution

    |