Home
Class 12
PHYSICS
Two spheres of same material have radius...

Two spheres of same material have radius 1 m and 4 m and temperature 4000 K and 2000 K respectively. The energy radiated per second by the first sphere is

A

more than that by the second

B

less than that by the second

C

equal to that by the second

D

nothing can be predicted

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • KINETIC THEORY OF GASES & RADIATION

    NIKITA PUBLICATION|Exercise MCQs (Question Given in MHT-CET)|79 Videos

  • KINETIC THEORY OF GASES & RADIATION

    NIKITA PUBLICATION|Exercise MCQs (Stefans Law of Black Body Radiation)|52 Videos

  • INTERFERENCE AND DIFFRACTION

    NIKITA PUBLICATION|Exercise MULTPLE CHOICE QUESTIONS|333 Videos

  • MAGNETIC EFFECT OF ELECTRIC CURRENT

    NIKITA PUBLICATION|Exercise MCQs (Sensitivity and accuracy of M.C.G.)|1 Videos

Similar Questions

Explore conceptually related problems

Two spheres of the same material have radii 1m and 4m and temperatures 4000K and 2000K respectively. The energy radiated per second by the first sphere is greater than that by the second.

Two spheres of the same material have radii 1m and 4m and temperature 4000Kand 2000K respectively.The energy radiated per second by the first sphere is:

Two spheres of the same materical have radii 1m and 4m nad temperature 4000K and 2000K respectively The energy radiated per second by the first sphere is .

Two spheres of the same material have radii 1m and 4m and temperatures 4000K and 2000K respectively. The ratio of the energy radiated per second by the first sphere to that by the second is

Two spheres of the same materical have radii 1m and 4m and temperature 400K and 2000K respectively The ratio of the energy radiated per second by the first sphere to that by the second is .

Two spheres of the same material have radii 1m and 4m and temperatures 4000K,respectively. The ratio of the energy radiated per second by the first sphere to that by the second is

Two spheres of same material have radii 1m and 2m are at temperature of 2000K and 1000K respectively.The ratio of energy radiated in unit time is

Two spheres of same material have radii 1m and 2m are at temperature of 2000K and 1000K respectively.The ratio of energy radiated in unit time is

Two spherre of the same material and radii 4 m and 1m respectively are at temperature 1000 K and 2000 K respectively. The ratio of energies radiated by them per second is

Two spheres of the same material having radii r and 4r and temperature 2T_(0) and T_(0) respectively. The ratio of rate of radiation of energy by the sphere is

NIKITA PUBLICATION-KINETIC THEORY OF GASES & RADIATION -MCQs (Newtons Law of Cooling)
  1. A solid cylinder, a solid cube and a solid sphere are made of the same...

    Text Solution

    |

  2. A solid cube and a sphere are made of the same material and both have ...

    Text Solution

    |

  3. Two spheres of same material have radius 1 m and 4 m and temperature 4...

    Text Solution

    |

  4. There is a circularr hole in a square copper plate. If the plate is he...

    Text Solution

    |

  5. Newton's law of cooling is used in laboratory for the determination of...

    Text Solution

    |

  6. Newton's law of cooling holds good provided the temperature difference...

    Text Solution

    |

  7. Newton's law of cooling leads us to the following expression.

    Text Solution

    |

  8. Newton's law of cooling is valid for

    Text Solution

    |

  9. When a body of mass M loses heat, the rate of fall of temperature is p...

    Text Solution

    |

  10. A solid sphere of copper of radius R and hollow sphere of copper of in...

    Text Solution

    |

  11. A mechanism of equalization of temperature of a body by thermal radiat...

    Text Solution

    |

  12. The Newton's law of cooling is based on

    Text Solution

    |

  13. Newton's law of cooling is also applicable to

    Text Solution

    |

  14. A solid sphere, cube and a cylinder of same material and density, are ...

    Text Solution

    |

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

    Text Solution

    |

  16. Newton's law of cooling can be obtained from

    Text Solution

    |

  17. In simple radiation correction, correction in the temperature is due t...

    Text Solution

    |

  18. A metal sphere cools from 72^(@)C to 60^(@)C in 10 minutes. If the sur...

    Text Solution

    |

  19. A body cools in 7 minutes from 60^(@)C to 40^(@)C. What will be its t...

    Text Solution

    |

  20. Newton’s law of cooling, holds good only if the temperature difference...

    Text Solution

    |