Q.No.197: - Which type of natural radioactivity leaves the number of protons and the number of neutrons in the nucleus unchanged?

Q.No.197: - Which type of natural radioactivity leaves the number of protons and the number of neutrons in the nucleus unchanged?

Ans: - If gamma ray emit from the excited nucleus then only energy of the nucleus releases but atomic number and atomic mass remain same.

Q.No.196: - What is the difference between natural and artificial radioactivity?

Q.No.196: - What is the difference between natural and artificial radioactivity?

Ans: - In natural radioactivity and atomic nuclei want to became stable that’s why they emit some radiations and such atoms are called radioactive and the process is called natural radioactivity.

In artificial radioactivity the atomic nuclei which are not excited but we excite them by bombarding neutrons or protons and after excitation of nuclei the atom become radioactive and emit radiation this is called artificial radioactivity.