Home
Class 12
PHYSICS
State the factors on which emissive powe...

State the factors on which emissive power of a body depends. What can you say about the emissive power of perfect black body?

Promotional Banner

Topper's Solved these Questions

  • Kinetic Theory of Gases and Radiation

    CHETANA PUBLICATION|Exercise Exercise|110 Videos

  • Electrostatics

    CHETANA PUBLICATION|Exercise Exercise|73 Videos

  • Magnetic Fields due to Electric Current

    CHETANA PUBLICATION|Exercise Exercise|96 Videos

Similar Questions

Explore conceptually related problems

What emissive power of perfectly black body ?

Emissive power of a perfectly black body

State the factor on which the heat radiated by a body depends upon.

What can you say about species diversity A & B?

At a given temperature the ratio between emissive power and absorptive power is same for all bodies and is equal to the emissive power of black body This statement is called .

Define emissive power of a body. State its unit and dimension.

The emissive power of a body does not depend upon___________of the body

What acts as a perfect black body in Fery's perfect, black body?

Answer the following question: What can you say about the resistance of an ammeter?

At a certain temperature for given wavelength, the ratio of emissive power of a body to emmisve power of black body in same circumstance in known as

CHETANA PUBLICATION-Kinetic Theory of Gases and Radiation-Exercise
  1. State the factors on which emissive power of a body depends. What can ...

    Text Solution

    |

  2. 16 gm of oxygen occupied 0.025 m^3 at 27^@C. It the universal gas cons...

    Text Solution

    |

  3. A cylinder filled with hydrogen gas at 500 K exerts a pressure of 4 at...

    Text Solution

    |

  4. The velocities of three molecules of a gas are 2m//s,3m//s and 4 m//s,...

    Text Solution

    |

  5. Calculate the R.M.S. velocity of helium at temperature 0^@C (density o...

    Text Solution

    |

  6. At what temperature can the R.M.S. velocity of gas be three times its ...

    Text Solution

    |

  7. Calculate the number of molecules in one litre of gas at N.T.P., if ma...

    Text Solution

    |

  8. Find the mass of 10c.c of gas at N.T.P. if RMS.velocity of gas molecul...

    Text Solution

    |

  9. Find the KE per kg of nitrogen molecule at 127^@C (molecular weight of...

    Text Solution

    |

  10. Calculate the R.M.S. velocity of oxygen molecule at N.T.P., if the den...

    Text Solution

    |

  11. If the R.M.S. velocity of oxygen molecules at N.T.P. is 460 m//s, dete...

    Text Solution

    |

  12. The ratio of molar specific heats of certain gas is 1.4, if molar spec...

    Text Solution

    |

  13. Compare the R.M.S. velocity of hydrogen molecules at 400 K with R.M.S....

    Text Solution

    |

  14. Radiant energy is incident on the body at a rate of 1500 J//min. If co...

    Text Solution

    |

  15. Radiant energy is incident on the body at a rate of 1500 J//min. If co...

    Text Solution

    |

  16. Radiant energy is incident on the body at a rate of 1500 J//min. If co...

    Text Solution

    |

  17. A metal cube of each side 0.05 m long emits 0.6k cal in 80 seconds, Ca...

    Text Solution

    |

  18. The emissive power of sphere of area 0.02 m^2 is 0.5 kcal//s-m^2. What...

    Text Solution

    |

  19. The coefficient of absorption of a surface is 0.6. When radiant energy...

    Text Solution

    |

  20. Assuming that the sun radiates as a black body, calculate the energy r...

    Text Solution

    |

  21. The temperature of the filaments of a 100W electric lamp is 2727^@C. T...

    Text Solution

    |