Home
Class 11
PHYSICS
If lambda(m) denotes the wavelength at w...

If `lambda_(m)` denotes the wavelength at which the radiative emission from a black body at a temperature T K is maximum, then

A

`lambda_(m) prop T^(4)`

B

`lambda_(m)` is independent of T

C

`lambda_(m) prop T`

D

`lambda_(m) prop T^(-1)`

Text Solution

Verified by Experts

The correct Answer is:
D

`lambda_(m) prop T^(-1)`
Promotional Banner

Topper's Solved these Questions

  • HEAT TRANSFER

    RESONANCE ENGLISH|Exercise Exercise-2|1 Videos
  • HEAT TRANSFER

    RESONANCE ENGLISH|Exercise Exercise-3|1 Videos
  • HEAT TRANSFER

    RESONANCE ENGLISH|Exercise Exercise-1|1 Videos
  • GRAVITATION

    RESONANCE ENGLISH|Exercise Exercise|21 Videos
  • KINEMATICS

    RESONANCE ENGLISH|Exercise Exercise|65 Videos
RESONANCE ENGLISH-HEAT TRANSFER-Exercise
  1. Two plates each of area A, thickness L1 and L2 thermal conductivities ...

    Text Solution

    |

  2. Consider a composite slab consisting of two different materials having...

    Text Solution

    |

  3. A square is made of four rods of same material one of the diagonal of ...

    Text Solution

    |

  4. If the temperature difference on the two sides of a wall increases fro...

    Text Solution

    |

  5. The colour of a star indicates its

    Text Solution

    |

  6. The means of energy transfer in vacuum is:

    Text Solution

    |

  7. Which of the following is nearest to blackbody-

    Text Solution

    |

  8. Which of the following is true statement?

    Text Solution

    |

  9. For a black body at temperature 727^(@)C. If the temperature of the bl...

    Text Solution

    |

  10. According to Wien's law

    Text Solution

    |

  11. If lambda(m) denotes the wavelength at which the radiative emission fr...

    Text Solution

    |

  12. A black body at 1227^(@)C emits radiations with maximum intensity at a...

    Text Solution

    |

  13. The energy radiated by a black body is directly proportional to :

    Text Solution

    |

  14. If temperature becomes double, the emitted radiation will be :

    Text Solution

    |

  15. Prevost's theory of heat exchange tells that a body radiates thermal e...

    Text Solution

    |

  16. Reflection and absorption coefficient of a given surface at 0^@C for a...

    Text Solution

    |

  17. A black metal foil is warmed by radiation from a small sphere at tempe...

    Text Solution

    |

  18. A body takes 10 min to cool douwn from 62^@C to 50^@C. If the temperat...

    Text Solution

    |

  19. Two circular disc A and B with equal radii are blackened. They are hea...

    Text Solution

    |

  20. According to Newton’s law of cooling, the rate of cooling of a body is...

    Text Solution

    |