Home
Class 11
PHYSICS
The original temperature of a black body...

The original temperature of a black body is . `727^(@) C` . The temperature at which this black body must be raised so as to double the total radiant energy, is

Text Solution

Verified by Experts

The correct Answer is:
`916^(@)C`
Promotional Banner

Topper's Solved these Questions

  • THERMODYNAMICS

    SL ARORA|Exercise Exercise|342 Videos

  • THERMODYNAMICS

    SL ARORA|Exercise Problems from competitive examinations|22 Videos

  • Thermal Properties of Matter

    SL ARORA|Exercise Exercise|449 Videos

  • Units and Measurements

    SL ARORA|Exercise Exercise|499 Videos

Similar Questions

Explore conceptually related problems

The temperature at which a black body ceases to radiate energy is .

At high temperature black body spectrum is .

The initial temperature of a black body is 527^@C . What should be its temperature so as to double the emitted radiations?

A black body is at 727^(@)C . It emits energy at a rate which is proportional to

The temperature at which a black body of unit area loses its energy at the rate of 1 joule/second is

Calculate the temperature of the black body from given graph.

If a black body is heated at a high temperature, it seems to be

SL ARORA-THERMODYNAMICS-Problems for self practice
  1. The ratio of the areas of cross-section of two rods of different mater...

    Text Solution

    |

  2. In fig, two bars of the same metal are connected. The length of the fi...

    Text Solution

    |

  3. A room at 20^@C is heated by a heater of resistence 20 ohm connected t...

    Text Solution

    |

  4. The sun radiates maximum energy at wavelength 4753 Å. Estimate the sur...

    Text Solution

    |

  5. The temperature of an ordinary electric bulb is around 3000 K. At what...

    Text Solution

    |

  6. A furnace is at a temperature of 2000K. At what wavelength will it rad...

    Text Solution

    |

  7. A black body radiates energy at the rate of 1.452 xx 10^(10) erg s^(-1...

    Text Solution

    |

  8. Calculate the temperature (in K) at which a perfect black body radiate...

    Text Solution

    |

  9. A full radiator at 0^(@)C radiates energy at the rate of 3.2 xx 10^(4)...

    Text Solution

    |

  10. Surface temperature of sun is 6000 K. Considering sun as a perfectly b...

    Text Solution

    |

  11. The original temperature of a black body is . 727^(@) C . The tempera...

    Text Solution

    |

  12. The temperature of a body in increased from 27^(@)C to 127^(@)C. By wh...

    Text Solution

    |

  13. A black body initially at 27^(@)C is heated to 327^(@)C is heated to 3...

    Text Solution

    |

  14. An electric bulb with tungsten filament having an area of 0.25 cm^(2) ...

    Text Solution

    |

  15. The energy emitted per second by a black body at 1227^(@)C. If the tem...

    Text Solution

    |

  16. A black ened metal sphere of radius 7 cm is encllosed in as evacuated ...

    Text Solution

    |

  17. A sphere of radius 10 cm is hung inside an oven walls are at a tempera...

    Text Solution

    |

  18. A body which has a surface area 5.0 cm^(2) and a temperature of 727^(@...

    Text Solution

    |

  19. A thin brass rectangular sheet of sides 15.0 and 12.0 cm is heated in ...

    Text Solution

    |

  20. A metal ball of surface area 200 cm^(2) and temperature 527^(@)C is ...

    Text Solution

    |