Home
Class 11
PHYSICS
The amount of radiation emitted by a per...

The amount of radiation emitted by a perfectly black body is proportional to .

A

Temperature on ideal gas scale

B

Fourth root of temperature on ideal gas scale

C

Fourth power of temperature on ideal gas scale

D

Source of temperature on ideal gas scale

Text Solution

Verified by Experts

The correct Answer is:
C
`E=sigmaT^4` (Stefan.s law) `implies E prop T^4`
Promotional Banner

Topper's Solved these Questions

  • TRANSMISSION OF HEAT

    ERRORLESS|Exercise Assertion & Reason|22 Videos

  • TRANSMISSION OF HEAT

    ERRORLESS|Exercise NCERT BASED QUESTIONS (Radiation (Newton.s Law of Cooling))|11 Videos

  • THERMOMETRY, THERMAL EXPANSION AND CALORIMETRY

    ERRORLESS|Exercise ASSERTION & REASON|10 Videos

  • UNITS, DIMENSIONS AND MEASUREMENT

    ERRORLESS|Exercise ASSERTION & REASON |17 Videos

Similar Questions

Explore conceptually related problems

The radiation emitted by a perfectly black body is proportional to

The gross radiation emitted by a perfectly black body is:

A black body emits

Radiation emitted by a surface is directly proportional to

Radiation emitted by a surface is direclty proportional to

Emissive power of a perfectly black body

ERRORLESS-TRANSMISSION OF HEAT -PAST YEARS QUESTIONS
  1. The two ends of a metal rod are maintained at temperatures 100^(@)C an...

    Text Solution

    |

  2. The two ends of a rod of length L and a uniform cross-sectional area A...

    Text Solution

    |

  3. Two rods A and B are of equal lengths. Their ends of kept between the ...

    Text Solution

    |

  4. A metal plate 4 mm thick has a temperature difference of 32^@C between...

    Text Solution

    |

  5. Two identical bodies are made of a material for which the heat capacit...

    Text Solution

    |

  6. Two rods A and B of different materials are welded together as shown i...

    Text Solution

    |

  7. Why it is more hotter for same distance over the top of a candle than ...

    Text Solution

    |

  8. The layers of atmosphere are heated through

    Text Solution

    |

  9. Three objects coloured black, gray and white can withstand hostile con...

    Text Solution

    |

  10. A black platinum wire, when heated, first appears dull red, then yello...

    Text Solution

    |

  11. Shown below are the black body radiation curves at temperature T(1) an...

    Text Solution

    |

  12. Flash light equipped with a new set of batteries, produces bright whit...

    Text Solution

    |

  13. A black body is at a temperature of 5760 K. The energy of radiation em...

    Text Solution

    |

  14. The amount of radiation emitted by a perfectly black body is proportio...

    Text Solution

    |

  15. A black body is at a temperature 300 K. It emits energy at a rate, whi...

    Text Solution

    |

  16. Suppose the sun expands so that its radius becomes 100 times its prese...

    Text Solution

    |

  17. A black body radiates 20 W at temperature 227^(@)C. If temperature of ...

    Text Solution

    |

  18. A spherical black body with a radius of 12 cm radiates 450 watt power ...

    Text Solution

    |

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

    Text Solution

    |

  20. A body cools from a temperature 3 T to 2 T in 10 minutes. The room tem...

    Text Solution

    |