Question

Half-life period of $C^{14}$ is

• A. 500 years
• B. 5000 years
• C. 50 years
• D. $5\times {10}^4$ years

Answer 1

Answer: (B)

$C^{14}$ has a half life period of 5570 years and is used in radio carbon dating. Carbon in living things contains a uniform living amount of radioactive $C^{14}$ produced constantly in the atmosphere from the amount of $C^{14}$ in the dead sample, the age of the organism can be determined.