Home
Class 12
PHYSICS
Wave length corresponding E(max) for the...

Wave length corresponding `E_(max)` for the moon in 14 micron. Estimate the temperature of the moon ( Take wien's constant =`2.884 xx 10^(-3) mK`).

Promotional Banner

Topper's Solved these Questions

  • THERMAL PROPERTIES OF MATTER (HEAT PHENOMENA)

    MBD PUBLICATION|Exercise QUESTION BANK|232 Videos
  • THERMODYNAMICS

    MBD PUBLICATION|Exercise QUESTION BANK|338 Videos

Similar Questions

Explore conceptually related problems

What is the number of molecules in a container of volume 5 m^3 at a pressure of 2xx10^(-5) N/m^2 and at a temperature of 300 K ? Take k_B = 1.4 xx 10^(-23) J/K.

Hydrogen peroxide, H_(2) O_(2) (aq) decomposes to H_(2) O(l) and O_(2) (g) is a first order in which H_(2) O_(2) has a rate constant, k= 1.06 xx 10^(-3)" min"^(-1) . How long will it take 15% of a sample of H_(2) O_(5) to decompose?

Hydrogen peroxide, H_(2) O_(2) (aq) decomposes to H_(2) O(l) and O_(2) (g) is a first order in which H_(2) O_(2) has a rate constant, k= 1.06 xx 10^(-3)" min"^(-1) . How long will it, take 85% of a sample of H_(2) O_(5) to decompose ?

For first order decomposition, X to Y +Z rate constant is given by k = 4.6 xx 10^(14)" s"^(-1) e^(-54000// RT) where, the activation energy is in calories. Calculate the temperature where decomposition is 80% complete in 1 hr.

A gas is in a container of volume 15 litres at 3xx10^5 N/m^2 pressure what is the mass of gas given that its temperature is 27^@C and molecular mass 4g/mole ? Take R=8.4 J/mol K.

The rate constant for the first order decomposition of H_(2) O_(2) is given by the following equation, log k = 14.34 - (1.25 xx 10^(4) K)/( T) Calculate E_a for this reaction and at what temperature will its half period be 256 min?

MBD PUBLICATION-THERMAL PROPERTIES OF MATTER (HEAT TRANSFER)-QUESTION BANK
  1. A body cools from 80^@C to 70^@C in 5 minutes in surrounding at 35^@C....

    Text Solution

    |

  2. A blackened platinum wire is of length 0.1 m and circumference 2 xx 10...

    Text Solution

    |

  3. Wave length corresponding E(max) for the moon in 14 micron. Estimate t...

    Text Solution

    |

  4. A 10w electric bulb has tungsten filament of surface area 5 xx 10^(-5)...

    Text Solution

    |

  5. The surface temperature of a hot body is 1227^@C. Find the wave length...

    Text Solution

    |

  6. Calculate the energy radiated in two minute by a black body of surface...

    Text Solution

    |

  7. If a body having a surface area 5 cm^2 and a temperature of 727^@C rad...

    Text Solution

    |

  8. A metal sphere cools at the rate of 1.6^@C/min when its temperature is...

    Text Solution

    |

  9. Pieces of copper and glass are heated to the same temperature. Why doe...

    Text Solution

    |

  10. At what common temperature would a block of wood and a block of metal ...

    Text Solution

    |

  11. After some time of switching an electric heater the temperature of the...

    Text Solution

    |

  12. The narrow pore at one end of the ovule is called

    Text Solution

    |

  13. Two rods A and B are of equal length each rod has its end at temperatu...

    Text Solution

    |

  14. Two rods 1 and 2 of same length have same temperature difference betwe...

    Text Solution

    |

  15. A piece of paper wrapped tightly on a wooden rod is found to get charg...

    Text Solution

    |

  16. Stainless steel cooking pans are preferred with extra copper bottom wh...

    Text Solution

    |

  17. Thermal conductivity of air is less than of felt but is a better heat ...

    Text Solution

    |

  18. Why do two layers of cloth of equal thickness provide warmer covering ...

    Text Solution

    |

  19. Two thermometers are constructed in the same way expect that one has a...

    Text Solution

    |

  20. In winter why do bird sits with wings spread out ?

    Text Solution

    |