Home
Class 11
PHYSICS
The power radiated by a block is P ...

The power radiated by a block is P and it radiates maximum energy at wavelength, `lamda _(0)` . If the temperature of the block body is now changed so that it radiates maximum energy at wavelength `(3) /(4) lamda _(0) ` , the power radiated by it becomes np. the value of n is

A

`( 256 ) /( 81)`

B

`4/3`

C

`3/4`

D

`(81 )/(256)`

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • QUESTION PAPERS OF JEE MAIN -2018

    CHHAYA PUBLICATION|Exercise QUESTION|24 Videos

  • QUESTION PAPERS OF WBCHSE -2017

    CHHAYA PUBLICATION|Exercise SECTION-II ( GROUP D )|14 Videos

Similar Questions

Explore conceptually related problems

The power radiated by a black body is P and it radiates maximum energy at wavelength, lambda_(0) . If the temperature of the black body is now changed so that it radiates maximum energy at wavelength (3)/(4)lambda_(0) , the power radiated by it becomes nP. The value of n is

Electromagnetic radiation with maximum wavelength is-

At what temperature does a body stop radiating?

If both the length of an antennam and the wavelength of the singal to be transmitted are doubled, the power radiated by the antenna.

The wavelength of radiation of maximum intensity is lamda when the temperature of a body is 2000 K . If now temperature is raised to 4000 K . the wavelength of radiation of maximum intensity will be

What is black body radiation ?

Now a days, maximum need of energy is fulfilled by

CHHAYA PUBLICATION-QUESTION PAPERS OF NEET -2018-QUESTION
  1. The magnetic potential energy stored in a certain inductor is 2...

    Text Solution

    |

  2. An electron falls from rest through a vertical distance h in a...

    Text Solution

    |

  3. The electrostic force between the metal plates of an isolated ...

    Text Solution

    |

  4. A tuning fork is used to produce resonance in a glass tube . T...

    Text Solution

    |

  5. A pendulum is hung from the roof of a sufficiently high builing...

    Text Solution

    |

  6. A metallic rod of mass per unit length 0.5 Kg . M^(-1) islying...

    Text Solution

    |

  7. A thin diamagnetic rod is placed vertically between the poles o...

    Text Solution

    |

  8. An inductor20 mH , a capacitor 100 mu F and a resistor 50 Om...

    Text Solution

    |

  9. Current sensiticity of a moving coil galvanometer is 5 div /mA...

    Text Solution

    |

  10. Three objects ,A ( a solid sphere ) , B ( a thin circular disc )...

    Text Solution

    |

  11. A moving block having mass m , collides with another stationary ...

    Text Solution

    |

  12. Which one of the following statements is incorrect ?

    Text Solution

    |

  13. The moment of the force vecF = 4 hati + 5 hatj -6 hatk at ( 2...

    Text Solution

    |

  14. A student measured the dimeter of a small steel ball using a sc...

    Text Solution

    |

  15. A solid sphere is rotating freeely about its symmetry axis in ...

    Text Solution

    |

  16. IF the mass of the sun were ten times smaller and the univers...

    Text Solution

    |

  17. A solid sphere is in rolling motion a body possesses translat...

    Text Solution

    |

  18. The power radiated by a block is P and it radiates maximum ener...

    Text Solution

    |

  19. Two wires are mode of the same material and have the same vol...

    Text Solution

    |

  20. A simple of 0.1 g of water at 100 ^(@)C and normal pressure (...

    Text Solution

    |