Question : The lightest radioactive element is
Option 1: Deuterium
Option 2: Polonium
Option 3: Tritium
Option 4: Uranium
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Correct Answer: Tritium
Solution : The correct option is Tritium.
The lightest radioactive element is tritium (hydrogen-3 or 3H). It is a radioactive hydrogen isotope with a half-life of roughly 12.3 years. Tritium is utilised in a variety of applications, including nuclear research, radioluminescent devices, and scientific investigations as a tracer.
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