Home
Class 11
PHYSICS
A black body is at a temperature of 2880...

A black body is at a temperature of 2880 K. The energy of radiation emitted by this object witth wavelength between 499nm and 500 nm is `U_(1)`, between 999 nm and 1000 nm is `U_(2)` and between 1499 nm and 1500 nm is `U_(3)`. The Wien constant `=2.88xx10^(6)` nm K.

A

`U_(1)=0`

B

`U_(3)=0`

C

`U_(1)gtU_(2)`

D

`U_(2)gt U_(1)`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • TRANSMISSION OF HEAT

    AAKASH SERIES|Exercise ADDITIONAL PRACTICE EXERCISE (LEVEL-II (LECTURE SHEET (ADVANCED)) Straight Objective Type Questions|6 Videos
  • TRANSMISSION OF HEAT

    AAKASH SERIES|Exercise ADDITIONAL PRACTICE EXERCISE (LEVEL-II (LECTURE SHEET (ADVANCED)) More than One correct answer Type Questions|4 Videos
  • TRANSMISSION OF HEAT

    AAKASH SERIES|Exercise PRACTICE SHEET (EXERCISE-II) Thermal Conduction (LEVEL-II) Integer Type Questions|2 Videos
  • TRANSMISSION OF HEAT

    AAKASH SERIES|Exercise QUESTION FOR DESCRIPTIVE ANSWER|4 Videos
  • UNITS AND MEASUREMENT

    AAKASH SERIES|Exercise Practice Exercise|45 Videos

Similar Questions

Explore conceptually related problems

The energy of a photon is 3 xx10^(-12)erg .What is its wavelength in nm? (h=6.62xx10^(-27)erg-s,3xx10^(10)cm s^(-1))

The wavelength of the radiation emitted by a black body is 1 mm and Wien's constant is 3xx10^(-3) mK. Then the temperature of the black body will be

Mass of electron = 9.1 xx 10^(-3) kg . The kinetic energy of an electron is 4.55 xx 10^(-25)J . What is its wavelength (in nm) ?

The Lyman series occurs between 91.2 nm and 121.6 nm , the Balmer series occurs between 364.7 nm and 656.5 nm and the Paschen series occurs between 820.6 nm and 1876 nm, Identify the spectral regions to which these wavelengths correspond .

The wavelenght of maximum intensity of radiation emitted by a star is 289.8 nm. The radiation intensity of the star is (Stefan's constant = 5.67 xx 10^(-8) Wm^(-2)K^(-4) , constant b= 2898 mumK )

AAKASH SERIES-TRANSMISSION OF HEAT-ADDITIONAL PRACTICE EXERCISE (LEVEL-I (MAIN)) Straight Objective Type Questions
  1. In a 10 metre deep lake, the bottom is at a constant temperature of 4^...

    Text Solution

    |

  2. A and B are two points on a uniform metal ring whose centre is C. The ...

    Text Solution

    |

  3. Heat is flowing through two cylindrical rods of the same material. The...

    Text Solution

    |

  4. In natural convection, a heated portion of a liquid moves because

    Text Solution

    |

  5. It is hotter over top of the fire than at same distance on the sides d...

    Text Solution

    |

  6. Ventilation are provided at the top of room

    Text Solution

    |

  7. While measuring the thermal conductivity of a liquid we keep the upper...

    Text Solution

    |

  8. A slab of ice is one half covered with black cloth and the other half ...

    Text Solution

    |

  9. Two rods of same length and material transfer a given amount of heat i...

    Text Solution

    |

  10. Two rods of same length and areas of cross-section A(1) and A(2) have ...

    Text Solution

    |

  11. A body cools from 80^(0) C to 60^(0) C in 2 minutes. In how much time ...

    Text Solution

    |

  12. A 100 watt bulb operates at 3000K. Assuming it loses energy only by ra...

    Text Solution

    |

  13. The filament of a 60 watt electric light bulb of diameter 0.06 mm runs...

    Text Solution

    |

  14. A body with an initial temperature theta, is allowed to cool in a surr...

    Text Solution

    |

  15. A black body is at a temperature of 2880 K. The energy of radiation em...

    Text Solution

    |

  16. The power radiated by a black body is P, and it radiates maximum energ...

    Text Solution

    |

  17. A planet is at an average distance d from the sun, and its average sur...

    Text Solution

    |

  18. The temperature of an isolated black body falls from T(1) to T(2) in t...

    Text Solution

    |

  19. A block of metal is heated to a temperature much higher than the room ...

    Text Solution

    |