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Question
Radioactivity is only harmful and has no useful applications.
Options:
A .  True
B .  False
C .  John Dalton
D .  Niels Bohr
Answer: Option B
:
B
The radioactivity has medical and industrial applications as well. An isotope of uranium is used as a fuel in nuclear reactors. An isotope of cobalt is used in the treatment of cancer. Hence the given statement is false.

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