Home
Class 12
CHEMISTRY
The decay constant of a radioactive samp...

The decay constant of a radioactive sample is `lambda`. The value of half life of average life of a radioactive sample are respectively given by

A

`lambda log, 2 (1)/(lambda)`

B

`(log_(e) 2)/(lambda), lambda`

C

`(log_(e) 2)/(lambda), (1)/(lambda)`

D

`log_(e) 2, (1)/(lambda)`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • NUCLEAR CHEMISTRY

    BRILLIANT PUBLICATION|Exercise LEVEL-III (Single Correct Answer Type ) |8 Videos

  • NUCLEAR CHEMISTRY

    BRILLIANT PUBLICATION|Exercise LEVEL-III (Multiple Correct Answer Type) |10 Videos

  • NUCLEAR CHEMISTRY

    BRILLIANT PUBLICATION|Exercise LEVEL-I|45 Videos

  • NITROGEN COMPOUNDS

    BRILLIANT PUBLICATION|Exercise LEVEL-III (Linked Comprehension Type)|9 Videos

  • P-BLOCK ELEMENTS

    BRILLIANT PUBLICATION|Exercise LEVEL-III|50 Videos

Similar Questions

Explore conceptually related problems

The decay constant of a radioactive species is lambda for the process in which a parent element showing formation of a daughter element.After time t, P atoms of parent element ar left and D atoms of daughter elements are formed. If t_(1//2) is half life then which expression correctly represents decay of parent element,

The decay rate of a radioactive sample is called its activity. The half life of U_92^238 against alpha decay is 1.5x 10^17s . Calculate the activity of a sample of U_92^238 having 25 x 10^21 atoms.

If 8.0 g of radioactive isotope has a half-life of 10 h, the half-life of 2.0 g of the same substance is

BRILLIANT PUBLICATION-NUCLEAR CHEMISTRY -LEVEL-II
  1. Two radioactive isotopes A and B of atomic mass X and Y are mixed in ...

    Text Solution

    |

  2. The radioactive disintegration of ""(94)^(239)Pu and alpha-emission pr...

    Text Solution

    |

  3. Calculate the energy released in joules in the following nuclear react...

    Text Solution

    |

  4. One of the most stable nuclei is ""^(55). Mn. Its nuclide mass is 54.9...

    Text Solution

    |

  5. Energy for the combustion of 1 mole ethylene in oxygen is -1.4 xx 10^(...

    Text Solution

    |

  6. Calculate the energy released in the reaction, ""(17)^(35)Cl + ""(0)^...

    Text Solution

    |

  7. Calculate the energy released in the formation of argon atom ""(18)^(4...

    Text Solution

    |

  8. One mole of fuel on combustion liberates 1800 KJ of energy. Calculate ...

    Text Solution

    |

  9. If the total binding energies of ""(1)^(2)H, ""(2)^(4)He, ""(26)^...

    Text Solution

    |

  10. Boron has two isotopes ""(5)^(10)B and ""(5)^(11)B. If the atomic weig...

    Text Solution

    |

  11. n alpha-particles per second are being emitted by N atoms of a radioac...

    Text Solution

    |

  12. The energy released in the fission reaction ""U^(236) to ""X^(117) + Y...

    Text Solution

    |

  13. In an old rock, the mass ratio of ""(92)^(238)U to ""(82)^(206)Pb is f...

    Text Solution

    |

  14. The radio active isotope may emit

    Text Solution

    |

  15. Choose the wrong statement out of the following.

    Text Solution

    |

  16. In a radioactive series a nucleus X distintegrates into nucleus Y by e...

    Text Solution

    |

  17. The decay constant of a radioactive sample is lambda. The value of hal...

    Text Solution

    |

  18. Two elements P and Q have half lives of 10 and 15 minutes respectively...

    Text Solution

    |

  19. There are 0.618 mu g of ""^(206)Pb and 0.238 mu g of ""^(238)U in a ro...

    Text Solution

    |

  20. In the nuclear reaction ""(3)^(7)Li + ""(1)^(1)H to 2""(2)^(4)He, the ...

    Text Solution

    |