Home
Class 12
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 with wavelength between 499 nm 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 Wein's constant `b = 2.88 xx 10^(6) "nm K"`. Then

A

`U_1 = 0`

B

`U_2 = 0`

C

`U_1 = U_2`

D

`U_2 gt U_1`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • NTA NEET SET 61

    NTA MOCK TESTS|Exercise PHYSICS|45 Videos
  • NTA NEET SET 63

    NTA MOCK TESTS|Exercise PHYSICS|45 Videos

Similar Questions

Explore conceptually related problems

A black body is at a temperature of 2800K The energy of radiation emitted by this object with wavelength between 499nm and 500 nm is U_(1) between 999nm and 1000nm is U_(2) and between 1499 nm and 1500 nm is U_(3) The Wien's constant b =2.80 xx 10^(6) nm K Then .

A blackbody is at a temperature of 2880K. The energy of radiation emitted by this object with wavelength between 499nm and 500nm is U_1 , between 999nm and 1000nm is U_2 and between 1499 nm and 1500 nm is U_3 . The Wien constant b=2.88xx10^6nmK . Then

A black body is at a temperature of 2880 K. The energy of radiation emitted by this object with wavelength between 4990 A and 5000A is E_(1) , and that between 9990 A and 10000 A is E_(2) . Find the ratio of E_(2) and E_(1) .

The radiation emitted by a black body at a temperature of 2618 K with the wavelength between 599 nm and 600 nm is U_a , between 1099 nm and 1100 nm is _b U and between 1599 nm and 1600 nm is U_c . If the Wien's constant is b = 2.88 xx 10^6 nm K then,

A black body is at a temperature of 5760 K . The energy of radiation emitted by the body at wavelength 250 nm is U_(1) at wavelength 500 nm is U_(2) and that at 1000 nm is U_(3) . Wien's consant, b = 2.88 xx 10^(6) nmK . Which of the following is correct?

A black body is at a temperature of 5760 K. The energy of radiation emitted by the body at wavelength 250 nm is U_(1) , at wavelength 500 nm is U_(2) and at 1000 nm is U_(3) , Wien's constant, b=2.88xx10^(6) nm K, which of the following is correct ?

Energy of radiation emitted by a black body at temperature 3000 K is u_(1) for wavelength between 8000 Å and 9000Å , u_(2) for wavelength between 9000 Å and 10000Å and u_(3) forwavelength between 10000Åand 11000Å .Which of the following is true? [Wien’s constant b=2.88xx10^(-3)mK]

Compare the energies of two radiations E_(1) with wavelength 800 nm and E_(2) with wavelength 400 nm.

NTA MOCK TESTS-NTA NEET SET 62-PHYSICS
  1. The time period of a satellite of earth is 5 hours. If the separation ...

    Text Solution

    |

  2. A spherical uniform planet is rotating about its axis. The velocity of...

    Text Solution

    |

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

    Text Solution

    |

  4. In Carnot engine, efficiency is 40% at hot reservoir temperature T. Fo...

    Text Solution

    |

  5. In a refrigerator, the low temperature coil of evaporator is at -23^@C...

    Text Solution

    |

  6. A current I flows along the length of an infinitely long, straight , ...

    Text Solution

    |

  7. The cyclotron frequency of an electron gyrating in a magnetic field of...

    Text Solution

    |

  8. Magnetic susceptibility for a paramagnetic and diamagnetic materials i...

    Text Solution

    |

  9. If a ball is thrown vertically upwards with a velocity of 40m//s, then...

    Text Solution

    |

  10. The horizontal range and miximum height attained by a projectile are R...

    Text Solution

    |

  11. A sphere of mass m is rolling without sliding along positive x-axis on...

    Text Solution

    |

  12. As shown in figure the tension in the horizontal cord is 30 N. The wei...

    Text Solution

    |

  13. A radioactive nucleus (initial mass number A and atomic number Z) emit...

    Text Solution

    |

  14. A nucleus of .84^210 Po originally at rest emits alpha particle with s...

    Text Solution

    |

  15. The minimum time taken by a spring block system (having time period T)...

    Text Solution

    |

  16. Two springs are joined and attached to a mass of 16 kg. The system is ...

    Text Solution

    |

  17. The photoelectric threshold frequency of a metal is v. When light of f...

    Text Solution

    |

  18. The time taken by a photoelectron to come out after the photon strikes...

    Text Solution

    |

  19. A body of mass m = 10 kg is attached to a wire of length 0.3m. The max...

    Text Solution

    |

  20. Two bodies are in equilibrium when suspended in water from the arms of...

    Text Solution

    |