1. PF Contest - Win "Conquering the Physics GRE" book! Click Here to Enter
    Dismiss Notice
Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Radio carbon dating question

  1. Nov 9, 2005 #1
    the question

    a mummy contain 9.2 g of carbon and it has an activity of 1.6 Bq. how old is the specimen in years?

    i worked out the question and got an answer of 2300 yrs, the closest answer in the book is 2200yrs. is my answer of 2300 yrs correct?
  2. jcsd
  3. Nov 9, 2005 #2


    User Avatar
    Homework Helper

    This stuff is new to me but I looked around and the formula seems to be 8033 * ln(A_0/A). Taking A_0 as 0.226 Bq/g * 9.2 g I get 2100 years. Take from this what you will.
  4. Nov 9, 2005 #3


    User Avatar
    Staff Emeritus
    Science Advisor

    The answer will depend on what fraction of the carbon is C-14 one uses.
Know someone interested in this topic? Share this thread via Reddit, Google+, Twitter, or Facebook

Similar Threads - Radio carbon dating Date
Carbon-14 dating? Jan 30, 2018
Radio station tuned Apr 3, 2017
Q factor of an AM radio RLC circuit Dec 7, 2016
Radio Broadcast Antenna Peak Intensity Nov 16, 2016