Home
Class 12
CHEMISTRY
Wooden article and freshly cut tree show...

Wooden article and freshly cut tree show activity 7.6 and 15.2 `min""^(-1)g""^(-1)` of carbon (`t""_(1//2)=5760`year) respectively. The age of the article is

A

5760 year

B

`5760xx15.2/7.6year`

C

`5760xx7.6/15.2year`

D

`5760xx15.2-7.6year`

Text Solution

Verified by Experts

The correct Answer is:
a

`t=t""_(1//2) (n=t/t""_(1//2))`
Promotional Banner

Topper's Solved these Questions

  • NUCLEAR CHEMISTRY

    NARAYNA|Exercise MULTI ANSWER|15 Videos
  • NUCLEAR CHEMISTRY

    NARAYNA|Exercise MATRIX MATCH|9 Videos
  • NUCLEAR CHEMISTRY

    NARAYNA|Exercise STATEMENT|4 Videos
  • METTALURGY

    NARAYNA|Exercise Statement Typer Question|2 Videos
  • ORGANIC COMPOUNDS CONTAINING NITROGEN

    NARAYNA|Exercise EXERCISE-4|30 Videos

Similar Questions

Explore conceptually related problems

Wooden artifact and freshly cut tree give 7.7 and "15.4 min"^(-1)g^(-1) of carbon (t_((1)/(2))="5770 years") respectively. The age of the artifact is

A freshly cut tree and a wooden artifact have 30.4 and 15.2 conuts g^(-1) "min"^(-1) of C^(14) of half of 5700 years. The age of the artifact in years would be:

What is the alpha - activity in disintigration per minute 1 gm sample of ""^(226)Ra. (t_(1//2) = 1620 " year" )

Fill in the blanks with appropriate items : The alpha -activity of 1 gm .^(226) Ra. (t_(1//2)=1620 year) is _______ dpm.

A wooden artifact sample gave activity 32-beta particles per second while the freshly cut wood gave activity of 64 beta particles per second in Geiger Muller counter. Calculate the age of the wooden artifact (t_(1//2) "of" C^(14) = 5760 years)

The number of nuclei of two radioactive substance is the same and their half-lives are 1 year and 2 years respectively. The ratio of their activities after 6 years will be

NARAYNA-NUCLEAR CHEMISTRY-SINGLE ANSWER
  1. A radioactive element gets spilled over the floor of a room. Its half-...

    Text Solution

    |

  2. A sample of rock from moon contains equal number of atoms of uranium a...

    Text Solution

    |

  3. Wooden article and freshly cut tree show activity 7.6 and 15.2 min""^(...

    Text Solution

    |

  4. One mole of a present in a closed vessel undergoes decay as ""(z)""^(m...

    Text Solution

    |

  5. If 50 gms of radio active substance has half life period of 14 hrs. 2...

    Text Solution

    |

  6. The half life period of a radioactive substance is 10 year. The amount...

    Text Solution

    |

  7. One microgram of phosphorus-32 was injected into a live syetm for biol...

    Text Solution

    |

  8. Two elements P and Q have half-line of 10 and 15 minutes repectively. ...

    Text Solution

    |

  9. If ""(92)U""^(235) nucleus absorbes neutron and disintegrates ""(54)X"...

    Text Solution

    |

  10. A radioactive isotope having a half life of 3 days was received after ...

    Text Solution

    |

  11. 75 atoms of radio active species are decayed in 2 half lives (t""(1//2...

    Text Solution

    |

  12. A freshely prepared radioactive source of half 2 hours emits radiation...

    Text Solution

    |

  13. An element group-III with atomic number 92 and mass number 238 undergo...

    Text Solution

    |

  14. In the following emission of alphaa- and beta- particle, groups G""(1)...

    Text Solution

    |

  15. In a first order reaction, the concentration of the reactants is reduc...

    Text Solution

    |

  16. The decay constant of a radioactive sample is 'lambda'. The half-life ...

    Text Solution

    |

  17. An element X decays first by positron emission and then two alpha-part...

    Text Solution

    |

  18. In the reaction represented by, ""(Z)""^(A)Xto.""(Z-2)""^(A-4)Yto.""...

    Text Solution

    |

  19. The number of beta-particles emitted during the change ""(a)""^(c)Xto"...

    Text Solution

    |

  20. The decay constant of a radioactive substance is 0.173 (year)""^(-1). ...

    Text Solution

    |