Answer the following if True or False. (1-10) 1. Radioactivity emanates from stable isotopes of certain elements. * True False 2. Electrons are neutral sub-atomic particles of the atom. * True False 3. LASER is one kind of background radiation. * True False
Answer the following if True or False.
(1-10)
1. Radioactivity emanates from stable
True
False
2. Electrons are neutral sub-atomic particles of the atom. *
True
False
3. LASER is one kind of background radiation. *
True
False
4. Strong nuclear force holds atoms together. *
True
False
5. Tremendous amount of energy is released during fission reaction. *
True
False
6. Radioactive decay is a spontaneous process. *
True
False
7. X-ray, MRI, CT scan and ultrasound are medical imaging procedures that use radiation beams. *
True
False
8. In the
True
False
9. Radiation can be in the form of particle and electromagnetic waves. *
True
False
10. Gamma rays can be stopped by a piece of paper. *
True
False
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