Home
Class 12
PHYSICS
The absolute temperatures of two black b...

The absolute temperatures of two black bodies are 2000 K and 3000 K respectively. The ratio of wavelengths corresponding to maximum emission of radiation by them will be

A

`2:3`

B

`3:2`

C

`9:4`

D

`4:9`

Text Solution

Verified by Experts

The correct Answer is:
B
`lamda_(m)T=lamda_(m)'T'`
`therefore (lamda_(m))/(lamda_(m)')=(T')/(T)=(3000)/(2000)=(3)/(2)`
Promotional Banner

Topper's Solved these Questions

  • KINETIC THEORY OF GASES & RADIATION

    NIKITA PUBLICATION|Exercise MCQs (Kirchhoffs law of heat radiation)|19 Videos

  • KINETIC THEORY OF GASES & RADIATION

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

  • KINETIC THEORY OF GASES & RADIATION

    NIKITA PUBLICATION|Exercise MCQs (Perfectly black body, emmissive power and emmissivity)|38 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

The surface temperature of a black body is 1200 K. What is the wavelength corresponding to maximum intensity of emission of radiation if Wien's constant b = 2.892xx10^(-3)mK ?

The radiation emitted by a star A is 10,000 times that of the sun. If the surface temperatures of the sun and the star A are 8000 K and 2000 K respectively. The ratio of the radii of the star A and the sun is

If the temperature of a black body is increased then the wavelength corresponding to the maximum emission will

The radiation emitted by a star A is 1000 times that of the sun. If the surface temperature of the sun and star A are 6000 K and 2000 K respectively. The ratio of the radii of the star A and the sun is:

The radiation emitted by a star A is 10,000 times that of the sun. If the surface temperatures of the sun and the star A are 6000 K and 2000 K respectively, the ratio of the radii of the star A and the sun is

The radiation emitted by a star A is 100 times that of the sun. If the surface temperatures of the sun and the star are 6000 K and 2000 K respectively, then the ratio of the radii of the star and the sun is

The temperature of one of the two heated black bodies is T_(1) = 2500K . Find the temperature of the other body if the wavelength corresponding to its maximum emissive capacity exceeds by Delta lambda = 0.50mu m the wavelength corresponding to the maximum emissive capacity of the first black body.

When the temperature of a black body increases, it is observed that the wavelength corresponding to maximum energy changes from 0.26 mu m . The ratio of the emissive powers of the body at the respective temperature is:

NIKITA PUBLICATION-KINETIC THEORY OF GASES & RADIATION -MCQs (Spectrum of Black Body Radiations in Terms Wavelength)
  1. The cause of Fraunhoffer lines is

    Text Solution

    |

  2. Wien's distribution law fails at

    Text Solution

    |

  3. Which of the following can be used to estimate the temperature of a st...

    Text Solution

    |

  4. If the wavelength corresponding to maximum energy radiated from the mo...

    Text Solution

    |

  5. A spherical body of 5 cm radius is maintained at a temperature of 327^...

    Text Solution

    |

  6. Two stars A and B radiates maximum energy at 3600 Å and 4200 Å, respec...

    Text Solution

    |

  7. The maximum radiant energyy emitted at 1000 K is for a wavelength of 2...

    Text Solution

    |

  8. The surface temperature of the sun is about 6000 K. the sun's radiatio...

    Text Solution

    |

  9. If wavelengths of maximum intensity of radiations emitted by the sun a...

    Text Solution

    |

  10. The wavelength of maximum emitted energy of a body at 700 K is 4.08 mu...

    Text Solution

    |

  11. A black body at 200 K is found to exit maximum energy at a wavelength ...

    Text Solution

    |

  12. Two stars emit maximum radiation at wavelength 3600 Å and 4800 Å respe...

    Text Solution

    |

  13. A black body emits radiations of maximum intensity at a wavelength of ...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    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

    |