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

Text Solution

Verified by Experts

The correct Answer is:
2
Promotional Banner

Topper's Solved these Questions

  • NTA JEE MOCK TEST 72

    NTA MOCK TESTS|Exercise PHYSICS|25 Videos
  • NTA JEE MOCK TEST 74

    NTA MOCK TESTS|Exercise PHYSICS|25 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

NTA MOCK TESTS-NTA JEE MOCK TEST 73-PHYSICS
  1. Two spheres A and B of radius 'a' and 'b' respectively are at same ele...

    Text Solution

    |

  2. Two uniformly long charged wires with linear densities lambda and 3lam...

    Text Solution

    |

  3. A particle A of mass ‘m’ and charge ‘q’ is accelerated by a potential ...

    Text Solution

    |

  4. A current I is flowing thorugh the loop. The direction of the current ...

    Text Solution

    |

  5. A small bead of mass m = 1 kg is free to move on a circular hoop. The ...

    Text Solution

    |

  6. If a stone s thrown at a point which is at a distance d away and at a...

    Text Solution

    |

  7. Surface of certain metal is first illuminated with light of wavelength...

    Text Solution

    |

  8. An electron (mass =9.1xx10^(-31)kg, charge =1.6xx10^(-19)C) experience...

    Text Solution

    |

  9. Four holes of radius R are cut from a thin square plate of side 4 R an...

    Text Solution

    |

  10. Two identical containers A and B having same volume of an ideal gas at...

    Text Solution

    |

  11. The air column in a pipe closed at one end is made to vibrate in its s...

    Text Solution

    |

  12. Two masses m and M are attached to the strings as shown in the figure....

    Text Solution

    |

  13. Activity of a radioactive sammple decreases to (1/3)rd of its original...

    Text Solution

    |

  14. The glass of optical fibre has a refractive index 1.55 and cladding wi...

    Text Solution

    |

  15. Liquid oxygen at 50 K is heated to 300 K at constant pressure of 1 atm...

    Text Solution

    |

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

    Text Solution

    |

  17. A concave mirror of focal length 20 cm and a convex lens of focal leng...

    Text Solution

    |

  18. Figure shows the variation of the internal energy U with the density r...

    Text Solution

    |

  19. A stationary body explodes in to four identical fragments such that th...

    Text Solution

    |

  20. A lift ascends with constant acceleration a=1ms^(-2), then with consta...

    Text Solution

    |