??-rays and???-rays are respectively electrons and electromagnetic radiation of wavelengths shorter than X-rays
72) β-rays and γ-rays are respectively
Answer is:
electrons and electromagnetic radiation of wavelengths shorter than X-rays
Explanation:
Related Atoms and Nuclei MCQ with Answers
Answer is:
N(t)=N(0)e?\lambda t
Explanation:
Radioactivity:?Law of Radioactive Decay.?Radioactivity?is the phenomenon exhibited by the nuclei of an atom as a result of?nuclear?instability. It is a process by which the nucleus of an unstable atom loses energy by emitting?radiation.Radioactivity?was discovered by Henry Becquerel completely by accident.
Answer is:
the time in which N has been reduced to one-half of its initial value
Explanation:
The half-life?T1/2of a radionuclide is the time in which N has been reduced to one-half of its initial value
Answer is:
the time at which N has been reduced to?e?1of its initial value
Explanation:
The mean life t of a radionuclide is the time at which N has been reduced to?e?1of its initial value
Answer is:
Y rays
Explanation:
gamma rays are not deflected in electric and magnetic fields