Home
Class 12
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
Promotional Banner

Topper's Solved these Questions

  • GRAVITATION

    NEET PREVIOUS YEAR (YEARWISE + CHAPTERWISE)|Exercise Gravitation|50 Videos

  • LAWS OF MOTION

    NEET PREVIOUS YEAR (YEARWISE + CHAPTERWISE)|Exercise Physics|60 Videos

Similar Questions

Explore conceptually related problems

Let the wavelength at which the the spectral emissive power of a black body (at a temperature T) is maximum, be denoted by lamda_(max) as the temperature of the body is increased by 1K, lamda_(max) decreases by 1 percent. The temperature T of the black body is

A black body emits maximum radiation of wavelength lambda_(1) at a certain temperature T_(1) . On increasing the temperature, the total energy of radiation emitted is increased 16 times at temperature T_(2) . If lambda_(2) is the wavelength corresponding to which maximum radiation is emitted at temperature T_(2) . Calculate the value of ((lambda_(1))/(lambda_(2))) .

lambda_(m) is the wavelength of the radiations corresponding to maximum intensity of a very very hot body at temperature T. Which of the following correctly represents the relations between lambda_(m) and T:

A black body emits radiation at the rate P when its temperature is T. At this temperature the wavelength at which the radiation has maximum intensity is lamda_0 , If at another temperature T' the power radiated is P' and wavelength at maximum intensity is (lamda_0)/(2) then

A black body emits maximum radiation of wavelength is lambda_1 = 2000 Å at a certain temperature T_1 . On increasing the temperature, the total energy of radiation emitted is increased 16 times at temperature T_2 .If lambda_2 is the wavelength corresponding to which maximum radiation emitted at temperature T_2 Calculate the value of (lambda_1/lambda_2)

The rate at which a black body emits radiation at a temperature T is proportional to

The ratio of the wavelengths of emission corresponding to the maximum emission in the spectrum of a black body heated to temperatures 1000K and 2000K respectively is

The power radiated by a black body is 'P' and it radiates maximum energy around the wavelength lmbda_(0) If the temperature of the black body is now changed so that it raddiates maximum energy around a wavelength lambda_(0)//2 the power radiated becomes .

NEET PREVIOUS YEAR (YEARWISE + CHAPTERWISE)-HEAT AND THERMODYNAMICS-PHYSICS
  1. The equation of state for 5 g of oxygen at a pressure P and temperatur...

    Text Solution

    |

  2. One mole of an ideal gas at an initial temperature true of TK does 6R ...

    Text Solution

    |

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

    Text Solution

    |

  4. We consider the radition emitted by the human body which of the follow...

    Text Solution

    |

  5. An ideal gas heat engine operates in a Carnot cycle between 227^(@)C a...

    Text Solution

    |

  6. Consider a compound slab consisting of two different material having e...

    Text Solution

    |

  7. For a black body at temperature 727^@C, its radiating power is 60 watt...

    Text Solution

    |

  8. The efficiency of carnot engine is 50% and temperature of sink is 500K...

    Text Solution

    |

  9. Condider two rods of same length and different specific heats (s(1), s...

    Text Solution

    |

  10. The unit of Stefan's constant sigma is

    Text Solution

    |

  11. Wien's law is concerned with

    Text Solution

    |

  12. Which of the following is close to an ideal black body ?

    Text Solution

    |

  13. Rate of heat flow through a cylindrical rod is H(1). Temperatures of e...

    Text Solution

    |

  14. A scientist says that the efficiency of his heat engine which operates...

    Text Solution

    |

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

    Text Solution

    |

  16. Which one of the following processes depends on gravity ?

    Text Solution

    |

  17. The gases carbon-monoxide (CO) and nitrogen at the same temperature ha...

    Text Solution

    |

  18. An engine takes heat from a reservior and converts its 1//6 part into ...

    Text Solution

    |

  19. The degrees of freedom of a molecule of a triatomic gas are

    Text Solution

    |

  20. An ideal gas at 27^(@)C is compressed adiabatically to 8//27 of its or...

    Text Solution

    |