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iGCSE Edexcel Physics radioactive dating help watch

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    if anyone's up for it, please could someone explain radioactive dating to me??
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    the idea is that if you know the half life of a radioactive substance, you can measure it's current level of radiation and thus determine how long it has existed.
    This has never come up as a question though, so I haven't revised it
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    (Original post by eliwats)
    the idea is that if you know the half life of a radioactive substance, you can measure it's current level of radiation and thus determine how long it has existed.
    This has never come up as a question though, so i haven't revised it
    lol radiocative came up a hell lot in 1p
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    (Original post by PrincessBO$$)
    lol radiocative came up a hell lot in 1p
    um radioactive dating did not so what is your point
 
 
 
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