Home
Class 11
PHYSICS
Assertion : A normal body can radiate en...

Assertion : A normal body can radiate energy more than a perfectly black body.
Reason : A perfectly black body is always black in colour.

A

If both Assertion and Reason are correct and Reason is also a good absorber of radiation at a given wavelength.

B

If both Assertion and Reason are correct but Reason is not the correct explanation of Assertion.

C

If Assertion is true but Reason is false

D

If both Assertion and Reason are false.

Text Solution

Verified by Experts

e) A normal body can also radiate energy more than a perfectly black body if its temperature is very high.
Promotional Banner

Topper's Solved these Questions

  • CALORIMETRY AND HEAT TRANSFER

    DC PANDEY ENGLISH|Exercise Match the columns|4 Videos
  • CALORIMETRY AND HEAT TRANSFER

    DC PANDEY ENGLISH|Exercise Medical entrance s gallery|38 Videos
  • CALORIMETRY AND HEAT TRANSFER

    DC PANDEY ENGLISH|Exercise Taking it together|51 Videos
  • CALORIMETRY & HEAT TRANSFER

    DC PANDEY ENGLISH|Exercise Level 2 Subjective|14 Videos
  • CENTRE OF MASS

    DC PANDEY ENGLISH|Exercise Medical entrances gallery|27 Videos

Similar Questions

Explore conceptually related problems

For a perfectly rigid body

For perfectly black body emissivity (e) is

Is it neccesary that all black coloured bodies to be regarded as perfectly black bodies ?

The reflectance and emittance of a perfectly black body are respectively

What is a black body ?

Statement-1: A black hole is an example of a perfectly black body. Statement-2: A perfectly black body absorbs every kind of radiation incident on it.

These question consists of two statements each printed as Assertion and Reason. While answering these question you are required to choose any one of the following five responses. Assertion: Emissive power of a perfectly black body is one. Reason: Absorptive power of perfectly black body is one.

Assertion : All bodies emit radiant energy whether they are solid, liquid or gases. Reason : Black bodies absorb and emit radiant energy better than bodies of lighter colours.

Young's modulus for a perfectly rigid body is

Demonstration of normal body temperature in persons with black bile

DC PANDEY ENGLISH-CALORIMETRY AND HEAT TRANSFER-Assertion and reason
  1. Assertion : A body that is a good radiator is also a good absorber of ...

    Text Solution

    |

  2. Assertion : All black coloured objects are considered black bodies. ...

    Text Solution

    |

  3. These question consists of two statements each printed as Assertion an...

    Text Solution

    |

  4. Assertion : A normal body can radiate energy more than a perfectly bla...

    Text Solution

    |

  5. Assertion : For higher temperature, the peak emission wavelength of a ...

    Text Solution

    |

  6. Assertion : Temperature near the sea-coast are moderate. Reason : Wa...

    Text Solution

    |

  7. Assertion : It is hotter over the top of a fire than at the same dista...

    Text Solution

    |

  8. Assertion : Blue star is at high temperature than red star. Reason :...

    Text Solution

    |

  9. Assertion : Snow is better insulator than ice. Reason : Snow con...

    Text Solution

    |

  10. These question consists of two statements each printed as Assertion an...

    Text Solution

    |

  11. These question consists of two statements each printed as Assertion an...

    Text Solution

    |

  12. These question consists of two statements each printed as Assertion an...

    Text Solution

    |

  13. These question consists of two statements each printed as Assertion an...

    Text Solution

    |

  14. These question consists of two statements each printed as Assertion an...

    Text Solution

    |

  15. These question consists of two statements each printed as Assertion an...

    Text Solution

    |

  16. These question consists of two statements each printed as Assertion an...

    Text Solution

    |

  17. These question consists of two statements each printed as Assertion an...

    Text Solution

    |