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Radio carbon dating is done by estimatin...

Radio carbon dating is done by estimating in the speciment:

A

The amount of ordinary carbon still present

B

The amount of radio carbon still present

C

The ratio of the amounts of `._(6)^(14)C` to `._(6)^(12)C` still present

D

None of the above

Text Solution

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The correct Answer is:
C
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Carbon dating was inverted by

A scientist has a house just beside a busy highway. He collects leaves from some plants growing in his garden to do radio-carbon dating ( to estimate the age of the plant by estimating the amount of a radioisotope of carbon in its tissues ). Surprisingly the radio-carbon dating shows that the plant is a few thousand years old. (a) Was the result of the radio-carbon dating wrong or can you propose a reason for such an observation ? (b) What simple experiment can be done to test the reason that you have proposed ?

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