Home
Class 12
CHEMISTRY
C^(14) has a half- life of 5760 years. 1...

`C^(14)` has a half`-` life of 5760 years. `100mg` of the sample containing `.^(14)C` is reduced to `25mg` in a)11520years b)2880years c)1440years d)17128years

A

11520 years

B

2880 years

C

1440 years

D

17280 years

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • NUCLEAR CHEMISTRY

    CENGAGE CHEMISTRY|Exercise Exercises Assertion-Reasoning|14 Videos

  • NUCLEAR CHEMISTRY

    CENGAGE CHEMISTRY|Exercise Exercise Fill In The Blanks|30 Videos

  • NUCLEAR CHEMISTRY

    CENGAGE CHEMISTRY|Exercise Exercises Multiple Correct|27 Videos

  • NCERT BASED EXERCISE

    CENGAGE CHEMISTRY|Exercise Nuclear Chemistry (NCERT Exercise)|29 Videos

  • ORGANIC COMPOUNDS WITH FUNCTIONAL GROUP

    CENGAGE CHEMISTRY|Exercise Archives Analytical And Descriptive|24 Videos

Similar Questions

Explore conceptually related problems

20 mg of C-14 has half-life of 5760 yr. 100 mg of sample containing C-14 is reduced to 25 mg in

The half life of radium is 1600 years. After how much time will 1 g radium be reduced to 125 mg ?

The half life of radium (226) is 1620 years. The time takend to convert 10 g of radium to 1.25 g is a. 810 years b. 1620 years c. 3240 years d. 4860 years

Tritium has a half-life of 12.5 years. What fraction of the sample will remain undecayed after 50 years?

Half - life for radioactive .^(14)C is 5760 years. In how many years 200 mg of .^(14)C will be reduced to 25 mg ?

The isotope ._6^(14)C is radioactive and has a half-life of 5730 years . If you starts with a sample of 1000 carbon -14 niclei, how many will still be around in 17,190 years ?

CENGAGE CHEMISTRY-NUCLEAR CHEMISTRY-Exercises Single Correct
  1. From the reaction given below, deduce the group of polonium in the per...

    Text Solution

    |

  2. 1 g atom of an alpha-emitting .(z)X^(4) (half life = 10 hr) was placed...

    Text Solution

    |

  3. C^(14) has a half- life of 5760 years. 100mg of the sample containing ...

    Text Solution

    |

  4. The reaction .(1)D^(2) + .(1)T^(3) rarr .(1)He^(2) + .(0)n^(1) is ...

    Text Solution

    |

  5. The equipment used to carry out nuclear reaction in a controlled manne...

    Text Solution

    |

  6. Which of the following is used as neutron absorber in the nuclear reac...

    Text Solution

    |

  7. Which of the following elements belongs to 4n- series?

    Text Solution

    |

  8. The age of rocks on earth or the samples of rocks and dust brought bac...

    Text Solution

    |

  9. Which is different in isotopes of an element?

    Text Solution

    |

  10. The radioisotope used in the treatment of cancer is

    Text Solution

    |

  11. The end product of (4n + 2) disintegration series is

    Text Solution

    |

  12. .(6)C^(14) in the upper atmosphere is formed by the action of neutron ...

    Text Solution

    |

  13. Atoms with the same mass number but having different nuclear charges a...

    Text Solution

    |

  14. One curie of activity is equivalent to a)3.7 xx 10^(17) disintegratio...

    Text Solution

    |

  15. Hydrogen bomb is based on the principle of

    Text Solution

    |

  16. Which of the radioactive isotopes is used for temperature control in b...

    Text Solution

    |

  17. When the quantity of a radioactive substance is increased two times, t...

    Text Solution

    |

  18. When a radioactive substance is subjected to a vacuum, the rate of dis...

    Text Solution

    |

  19. The half life of Ra is 1600 years. The fraction of a sample of Ra that...

    Text Solution

    |

  20. Which of the following is not a fissionalbe material?

    Text Solution

    |