Question

${}_6{C}^{14}$ is formed from ${}_7{N}^{14}$ in the upper atmosphere by the action of the fundamental particle

• A. Positron
• B. Neutron
• C. Electron
• D. Proton

Answer 1

The correct option is B Neutron

The radioactive isotope ${}_6{C}^{14}$ is produced in the atmosphere by the action of cosmic ray neutrons on ${}_7{N}^{14}$
${}_7{N}^{14}{+}_0{n}^1{\to }_6{C}^{14}{+}_1{H}^1$