Physics Practice: Radioactivity (Mock Test 1 - Fundamentals)
1. Radioactivity is a ________ phenomenon.
2. Which of the following radiations consists of particles with a mass approximately 4 times that of a hydrogen atom?
3. An alpha particle is equivalent to a:
4. Which radiation has the highest penetrating power?
5. When a nucleus emits a Beta particle, its atomic number ($Z$):
6. The S.I. unit of radioactivity is:
7. Which of the following is NOT affected by magnetic or electric fields?
8. Background radiations are:
9. Isotopes of an element have the same number of ________ but different number of ________.
10. The emission of an Alpha particle causes the Mass Number ($A$) of the daughter nucleus to: