Carbon dating is best suited for determining the age of fossils if their age in years is of the order of
Carbon dating is best suited for determining the age of fossils if their age in years is of the order of
- [AIIMS 2004]
- A
${10^3}$
- B
${10^4}$
- C
${10^5}$
- D
${10^6}$
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The half-life of a particle of mass $1.6 \times 10^{-26} \,kg$ is $6.9 \,s$ and a stream of such particles is travelling with the kinetic energy of a particle being $0.05 \,eV$. The fraction of particles which will decay, when they travel a distance of $1 \,m$ is
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- [KVPY 2014]
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- [JEE MAIN 2021]
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- [AIPMT 2000]