Home
Class 11
CHEMISTRY
The radioactivity due to C-14 isotope (h...

The radioactivity due to `C-14` isotope (half-life = 6000 years) of a sample of wood form an ancient tomb was found to be nearly half that of fresh wood. The bomb is there for about how many years old? a)3000 b)6000 c)9000 d)12000

A

3000 years old

B

6000 years old

C

9000 years old

D

12000 years old

Text Solution

Verified by Experts

The correct Answer is:
B

`t_(1//2)=6000` years.
Promotional Banner

Topper's Solved these Questions

  • NUCLEAR AND RADIO CHEMISTRY

    DINESH PUBLICATION|Exercise Brain Teasers-8|40 Videos
  • NUCLEAR AND RADIO CHEMISTRY

    DINESH PUBLICATION|Exercise Unit Test 4|40 Videos
  • NUCLEAR AND RADIO CHEMISTRY

    DINESH PUBLICATION|Exercise Ultimate Preparatory Package|13 Videos
  • NOMENCLATURE OF ORGANIC COMPOUNDS

    DINESH PUBLICATION|Exercise MCQs|13 Videos
  • ORGANIC CHEMISTRY - SOME BASIC PRINCIPLES & TECHNIOUES

    DINESH PUBLICATION|Exercise PURIFICATION & CHARACTERISATION OF ORGANIC COMPOUNDS|38 Videos

Similar Questions

Explore conceptually related problems

C^(14) has a half - life of 5760 years. 100mg of the sample containing .^(14)C is reduced to 25mg in

A radio isotope X with a half-life 1.4 xx 10^9 years decays of Y which is stable. A sample of the rock from a cave was found to contain X and Y in the ratio 1 : 7 . The age of the rock is.

The amount of ._(6)C^(14) isotope in a piece of wood is found to be one-fifth of that present in a fresh piece of wood. Calculate the age of wood (Half life of C^(14) = 5577 years)

The amount of C-14 in a piece of wood is found to be 1/6 of the amount present in a fresh piece of wood. What is the age of the wood ? (t_(1//2) for C-14 =5770 years)

DINESH PUBLICATION-NUCLEAR AND RADIO CHEMISTRY-Brain Teasers-7
  1. The largest stable nucleus is

    Text Solution

    |

  2. When a radioactive substances is subjected to a vacuum, the rate of di...

    Text Solution

    |

  3. The radioactivity due to C-14 isotope (half-life = 6000 years) of a sa...

    Text Solution

    |

  4. Tritium undergose radioactive decay giving

    Text Solution

    |

  5. How many hour are required for a current of 3.0 ampere to decompose 18...

    Text Solution

    |

  6. The nuclear reaction given below is of …… type ""(13)^(27)Al + ""(2)...

    Text Solution

    |

  7. A sample of radioactive element with t(0.5) of 11.2yr weigh 2.0 g . Af...

    Text Solution

    |

  8. The t(0.5) of a radioactive element is related to its average life by ...

    Text Solution

    |

  9. Which one is an example of miceller system?

    Text Solution

    |

  10. Which of the following is the best protective colloid?

    Text Solution

    |

  11. The coagulation of 100ml of colloidal solution of gold is completely p...

    Text Solution

    |

  12. A isoelectric point

    Text Solution

    |

  13. Gold number was given by :

    Text Solution

    |

  14. The accumulation of gases on surface of solids is called as

    Text Solution

    |

  15. In the Leclanche dry cell, anode is

    Text Solution

    |

  16. If the specific conductance and conductance of a solution are same, th...

    Text Solution

    |

  17. Which of the following solutions will have the highest specific conduc...

    Text Solution

    |

  18. The term quinhydrone means

    Text Solution

    |

  19. The standard electrode potential of the electrode Ag(s) , AgCl| KCl (1...

    Text Solution

    |

  20. The calomel electrode is reversible with repect to :

    Text Solution

    |