Home
Class 12
CHEMISTRY
Average life period is equal to :...

Average life period is equal to :

A

1/half life period

B

1/decay constant

C

`("half life period")^(2)`

D

Three-fourth life period.

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • MOCK TEST PAPER 5

    MODERN PUBLICATION|Exercise QUESTION|57 Videos
  • ORGANIC CHEMISTRY : SOME BASIC PRINCIPLES

    MODERN PUBLICATION|Exercise Recent Examination Questions|8 Videos

Similar Questions

Explore conceptually related problems

Half-life period of a radioactive element is 100 seconds. Calculate the disintegration constant and average life period. How much time will it take for 90% decay?

The half life period of a zero order reaction is equal to :

Define the average time period of a radio active element.

A certain radioactive sample decays for a time period equal to its mean life . Find (i) the fraction of the sample that disintegrates and (ii) the fraction of the sample that remains intact.

The period number in the long form of the periodic table is equal to

Define half life period for a reaction. How is it related to the order of a reaction?

Derive an expression for half life period of a first order reaction.

Define half life period for a reaction and how it is related to the order of a reaction.

Define the following terms : (i) Pseudo first order reaction (ii) Half life period of a reaction (t_(½)) .

MODERN PUBLICATION-NUCLEAR CHEMISTRY-Multiple Choice Questions
  1. The phenomenon of nuclear fission was experimentally observed by :

    Text Solution

    |

  2. Which is used as a neutron absorber in nuclear reactors to control the...

    Text Solution

    |

  3. Average life period is equal to :

    Text Solution

    |

  4. In the nuclear reaction : ""(13)^(27)Al+""(2)^(4)Heto""(15)^(30)X+""...

    Text Solution

    |

  5. If an element emits an alpha-particle, then the position of daughter e...

    Text Solution

    |

  6. The equipment used to carry out the fission reaction in a controlled m...

    Text Solution

    |

  7. The radioactive isotope of carbon used in radio carbon dating is :

    Text Solution

    |

  8. The first positron emitter discovered was :

    Text Solution

    |

  9. The half life periods of four isotopes are given : I = 6.7 years II ...

    Text Solution

    |

  10. Which of the following process results in emission of X-rays ?

    Text Solution

    |

  11. Explain the principle behind the Hydrogen bomb.

    Text Solution

    |

  12. The 4n series starts from thorium-232 and ends at :

    Text Solution

    |

  13. In the reaction : ""(84)^(215)Poto""(82)^(211)Pb+""(2)^(4)He If Pb...

    Text Solution

    |

  14. One microgram of radioactive sodium, ""(11)^(24)Na with half life of 1...

    Text Solution

    |

  15. The partlcles emitted 1n the decay of ""(92)^(238)U to ""(92)^(234)U

    Text Solution

    |

  16. In the reaction : ""(4)^(9)Be+Xto""(5)^(10)B+gamma X is:

    Text Solution

    |

  17. If in the reaction of fluorine-19 with a neutron nitrogen-16 is formed...

    Text Solution

    |

  18. Which of the following represents fusion reaction ?

    Text Solution

    |

  19. In the reaction, the bombarding projectile X is : ""(3)^(7)Li+Xto""(...

    Text Solution

    |

  20. When the quantity of a radioactive substance is ncreased to two times,...

    Text Solution

    |