Home
Class 11
CHEMISTRY
What is black substance ?...

What is black substance ?

Text Solution

Verified by Experts

Ideal black substance means which absorb and emit radiation with all frequency .
Promotional Banner

Topper's Solved these Questions

  • STRUCTURE OF ATOM

    KUMAR PRAKASHAN|Exercise Section -C (Multiple Choice Question (MCQs))|24 Videos

  • STRUCTURE OF ATOM

    KUMAR PRAKASHAN|Exercise Section -C(MCQs asked in Competitive Exam)|69 Videos

  • STRUCTURE OF ATOM

    KUMAR PRAKASHAN|Exercise Section -A (Try Your Self -6)|18 Videos

  • STATES OF MATTER

    KUMAR PRAKASHAN|Exercise QUESTION PAPER FROM MODULE (SECTION - A)|4 Videos

  • THE P-BLOCK ELEMENTS

    KUMAR PRAKASHAN|Exercise SECTION-D NCERT EXEMPLAR SOLUTION (MCQs) LONG ANSWER|25 Videos

Similar Questions

Explore conceptually related problems

What is magnetic substance ? Write its types.

What is working substance in external combustion engine ?

What is working substance in internal combustion engine ?

What is heat capacity of a substance ?

What is magnetisation of substance ?

What kind of substances are need to be transport in flowering plants?

KUMAR PRAKASHAN-STRUCTURE OF ATOM-Section - B ( Objective Question )
  1. Is there nutron in nucleus of hydrogen ?

    Text Solution

    |

  2. What is the change observe in iron on heating with different tem...

    Text Solution

    |

  3. What is black substance ?

    Text Solution

    |

  4. Calculate the ratio of diameter of atom and nucleus .

    Text Solution

    |

  5. in chlorine .^(35)CI and .^(37) CI is in 3:1 ratio calculate ch...

    Text Solution

    |

  6. Which of the following is dimensional formula of intensity of radiatio...

    Text Solution

    |

  7. Explain visible spectrum and continuous spectrum.

    Text Solution

    |

  8. Give example of continuous spectrum

    Text Solution

    |

  9. Give the reason for the formation of spectrum .

    Text Solution

    |

  10. Which colour from violet and Red is more refracted ? Why

    Text Solution

    |

  11. What is emission spectrum ?

    Text Solution

    |

  12. State the uses of line spectrum or atomic spectra.

    Text Solution

    |

  13. Given below are some famous numbers associated with electromagnetic ra...

    Text Solution

    |

  14. if only one electron of an atom get exited still more line obs...

    Text Solution

    |

  15. If electron transits from n=5 to n=2 it belong which series.?

    Text Solution

    |

  16. Emission spectrum of gaseous atom is linear but not cureve Why ?

    Text Solution

    |

  17. In emission spectra n(2) to ,n(3) to n(1) n(4) to n(1) ,n(5) to n...

    Text Solution

    |

  18. In emission spectra n(2) to n(1) ,n(3) to n(2) , n(4) to n(3),n(5) ...

    Text Solution

    |

  19. State the angular momentum when electron revent orbits ?

    Text Solution

    |

  20. How much radius are there in stationary orbitals ?

    Text Solution

    |