β-rays emitted from radioactive material are known as electromagnetic radiation.

β-rays emitted from radioactive material are known as electromagnetic radiation. Correct Answer False

No, this is a false statement. β-rays are charged particles emitted by radioactive nuclei. Therefore, these rays are highly energetic electrons that are released from the inside of a nucleus. Thus, these are not electromagnetic radiations.

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The half life period of a radioactive substance is best determined by counting the number of alpha particles emitted per second in a Geiger Muller counter from its known quantity. If the half life period of a radioactive substance is one month, then
The half-life period of a radioactive substance is best determined by counting the number of alpha particles emitted per second in a Geiger Muller counter from its known quantity. If the half-life period of a radioactive substance is one month, then?