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The decay rate of .^(14)C in 1g of carbo...

The decay rate of `.^(14)C` in 1g of carbon in a living organism is

A

25 Bq

B

2.5 Bq

C

0.25 Bq

D

5 Bq

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Determine the average .^(14)C activity in decays per minute per gram of natural carbon found in living organisms if the concentration of .^(14)C relative to that of .^(12)C is 1.4 xx10^(-12) and half -life of .^(14)C is T_(1//2)=57.30 years.

Determine the average .^(14)C activity in decays per minute per gram of natural carbon found in living organisms if the concentration of .^(14)C relative to that of .^(12)C is 1.4 xx 10^(-12) and half life of .^(14)C is T_(1//2) = 5730 years.

It is known that the ratio of .^(14)C to .^(12)C atoms in living beings and atmosphere is a constant. In one experiment it was found that the radiocarbon activity of a living thing is 16 disintegration per minute per gram of carbon content. Find the ratio of .^(14)C to .^(12)C atoms in your body. Half life of beta decay of .^(14)C is 5760yr= 0.03xx10^(9) minute.

A bone containing 200 g carbon-14 has beta -decay rate of 375 decay/min. Calculate the time that has elapsed since the death of the living one. Given the rate of decay for the living organism is equal to 15 decay per min per gram of carbon and half-life of carbon-14 is 5730 years.

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