PDF chapter test TRY NOW
1. Man-made radioactivity is also known as
2. Unit of radioactivity is
3. Artificial radioactivity was discovered by
4. In which of the following, no change in mass number of the daughter nuclei takes place?
(i) α decay
(ii) β decay
(iii) γ decay
(iv) neutron decay
(i) α decay
(ii) β decay
(iii) γ decay
(iv) neutron decay
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