Home
Class 12
PHYSICS
If the temperature of the sun were to in...

If the temperature of the sun were to increase form T to 2T and its radius from R to 2R, then the ratio of the radiant energy received on earth to what it was previously will be

A

4

B

16

C

32

D

64

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • KINETIC THEORY OF GASES AND RADIATION

    TARGET PUBLICATION|Exercise Evaluation test|18 Videos
  • KINETIC THEORY OF GASES AND RADIATION

    TARGET PUBLICATION|Exercise critical thinking|104 Videos
  • INTERFERENCE AND DIFFRACTION

    TARGET PUBLICATION|Exercise EVALUATION TEST|20 Videos
  • MAGNETIC EFFECT OF ELECTRIC CURRENT

    TARGET PUBLICATION|Exercise EVALUATION TEST|19 Videos

Similar Questions

Explore conceptually related problems

If the temperature of the Sun were to increase from T to 2T and its radius from R to 2R. The rat io of power, radiated by it would become

The temperature of the sun is T. If it becomes 2T, then

Air is pushed in a soap bubble to increase its radius from R to 2R . In this case the pressure inside the bubble

The surface temperature of the sun is T_(0) and it is at average distance d from a planet. The radius of the sun is R . The temperature at which planet radiates the energy is

An object of mass m is raised from the surface of the earth to a height equal to the radius of the earth, that is, taken from a distance R to 2R from the centre of the earth. What is the gain in its potential energy ?

If the temperature of the sun (black body) is doubled, the rate of energy received on earth will be increase by a factor of

By what percent the energy of the satellite has to be increased to shift it from an orbit of radius r to (3r)/2 .

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

Assuming the Sun to be a spherical body of radius R at a temperature of TK, evalute the total radiant powerd incident of Earth at a distance r from the sun where r_0 is the radius of the Earth and sigma is Stefan's constant.

TARGET PUBLICATION-KINETIC THEORY OF GASES AND RADIATION -Competitive thinking
  1. A black rectangular surface of area A emits energy E per second at 27^...

    Text Solution

    |

  2. If the temperature of the sun (black body) is doubled, the rate of ene...

    Text Solution

    |

  3. If the temperature of the sun were to increase form T to 2T and its ra...

    Text Solution

    |

  4. The dimensions of stefan 's constant are

    Text Solution

    |

  5. Two spherical black bodies of radii R(1) and R(2) and with surface tem...

    Text Solution

    |

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

    Text Solution

    |

  7. A body radiates energy 5 W at a temperature of 127^(@)C . If the tempe...

    Text Solution

    |

  8. Rate of loss of heat of two spheres at same temperature having radii i...

    Text Solution

    |

  9. Rates of emission of heat by perfectly black body maintained at temper...

    Text Solution

    |

  10. A black body at 227^(@)C radiates heat at the rate of 7 cal cm^(-2) s...

    Text Solution

    |

  11. The temperature of two bodies A and B are respectively 727^(@)C and 32...

    Text Solution

    |

  12. A black body at a temperature of 227^(@)C radiates heat energy at the ...

    Text Solution

    |

  13. The surface of a black body is at a tempera ture 727^(@)C and its cros...

    Text Solution

    |

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

    Text Solution

    |

  15. A black body of emissive power 81 J/m^(2) s when it is at 300 K and or...

    Text Solution

    |

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

    Text Solution

    |

  17. Parallel rays of light of intensity I=912 WM^-2 are incident on a sphe...

    Text Solution

    |

  18. A sphere at temperature 600 K is placed in an enviroment to temperatur...

    Text Solution

    |

  19. Two bodies A and B are placed in an evacuated vessel maintained at a t...

    Text Solution

    |

  20. The sphere of radii 8 cm and 2 cm are cooling. Their temperatures are ...

    Text Solution

    |