Home
Class 11
PHYSICS
The intensity of radiation emitted by th...

The intensity of radiation emitted by the sun has its maximum value at a wavelength of 510 nm and that emitted by the North star has the maximum value at 350 nm. If these stars behave like black bodies, then the ratio of the surface temperatures of the sun and the north star is

A

1.46

B

0.69

C

1.21

D

0.83

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • TRANSMISSION OF HEAT

    ERRORLESS |Exercise Radiation (Stefan s law)|56 Videos

  • TRANSMISSION OF HEAT

    ERRORLESS |Exercise Radiation (Newton s Law of Cooling)|37 Videos

  • TRANSMISSION OF HEAT

    ERRORLESS |Exercise Radiation (General, Kirchoff s law, Black body)|38 Videos

  • THERMOMETRY, THERMAL EXPANSION AND CALORIMETRY

    ERRORLESS |Exercise Self Evaluation Test|15 Videos

  • UNITS, DIMENSION & MEASUREMENTS

    ERRORLESS |Exercise All Questions|333 Videos

Similar Questions

Explore conceptually related problems

The intensity of radiation emitted by the sun has its maximum value at a wavelenght of 510 nm and that emitted by the north star has the maximum value at 350 nm If these stars behave like balackbodies the nthe ratio of the surface temperature of the sun and the north star is .

The light emitted by the sun has maximum wavelength of 570 nm. The light emitted by another star has the maximum wavelength of 380 nm. What is the ratio of the surface temperatures of the star and the sun ?

The sun emits light with a maximum wavelength of 510 nm while another star X emits light of maximum wavelength of 350 nm. What is the ratio of the surface temperatures of the sun and the star ?

The maximum wavelength of radiation emitted from the sun at 6000 K is about 550 nm. What would be the wavelength of maximum radiation emitted from the earth at 27^(@)C ?

The light from th esun is found to have a maximum intensity near the wavelength of 470nm. Assuming that the surface o f the sun emits as a blackbody, calculate the temperture of the surface of the sun.

Two stars emit maximum radiation at wavelength 3600 Å and 4800 Å respectively. The ratio of their temperatures is

If wavelengths of maximum intensity of radiations emitted by the sun and the moon are 0.5xx10^(-6)m " and " 10^(-4) m respectively, the ratio of their temperature is ……………

ERRORLESS -TRANSMISSION OF HEAT-Radiation (Wein s law)
  1. Four pieces of iron are heated to different are respectively red, yell...

    Text Solution

    |

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

    Text Solution

    |

  3. If the temperature of the sun becomes twice its present temperature, t...

    Text Solution

    |

  4. The maximum energy is the thermal radiation from a hot source occurs a...

    Text Solution

    |

  5. The wavelength of maximum energy released during an atomic axplosion w...

    Text Solution

    |

  6. The maximum wavelength of radiation emitted at K 2000 K is 4mu m . Wh...

    Text Solution

    |

  7. How is the temperature of stars determined by

    Text Solution

    |

  8. On increasing the temperature of a substance gradually, which of the f...

    Text Solution

    |

  9. A black body has maximum wavelength lambda(m) at temperature 2000 K. I...

    Text Solution

    |

  10. Relation between the colour and the temperature of a star is given by

    Text Solution

    |

  11. Black body at a temperature of 1640K has the wavelength corresponding ...

    Text Solution

    |

  12. The maximum wavelength of radiations emitted at 900 K is 4mu m . What...

    Text Solution

    |

  13. Solar radiation emitted by sun resembles that emitted by a body at a t...

    Text Solution

    |

  14. What will be the ratio of temperatures of sun and moon if the waveleng...

    Text Solution

    |

  15. The radiation energy density per unit wavelength at a temperature T ha...

    Text Solution

    |

  16. The absolute temperatures of two black bodies are 2000 K and 3000 K re...

    Text Solution

    |

  17. The temperature of sun is 5500 K and it emits maximum intensity radiat...

    Text Solution

    |

  18. A particular star (assuming it as a black body) has a surface temperat...

    Text Solution

    |

  19. The maximum energy in thermal radiation from a source occurs at the wa...

    Text Solution

    |

  20. The intensity of radiation emitted by the sun has its maximum value at...

    Text Solution

    |