1.

._(6)C^(14) is formed from ._(7)N^(14) in the upper atmosphere by the action of the fundamental particle

Answer»

Positron
Neutron
Electron
Proton

Solution :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) RARR ._(6)C^(14) + ._(1)H^(1)`


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