A element used for radioactive carbon dating for more than $5600$ years is
A element used for radioactive carbon dating for more than $5600$ years is
- A
$C - 14$
- B
$U - 234$
- C
$U - 238$
- D
$Po - 94$
Similar Questions
The radioactivity of a certain radioactive elements drops to $\frac{1}{64}$ of its initial value in $30$ seconds. Its half life is ............. seconds
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The activity of a radioactive sample falls from $700 \;\mathrm{s}^{-1}$ to $500\; \mathrm{s}^{-1}$ in $30\;min$. Its half life is close to.........$min$
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- [JEE MAIN 2020]
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- [JEE MAIN 2020]