Which rays are more penetrating?
A. Alpha rays
B. Beta rays
C. Gamma rays
D. X-rays
Answer
Correct Answer: C. Gamma rays
Detailed About MCQs
Gamma rays are the most energetic form of electromagnetic radiation arising from the radioactive decay of atomic nuclei, with a very short wavelength of less than one-tenth of a nanometer. Gamma radiation is the most penetrating of the three radiations. It can easily penetrate body tissue. Gamma radiation is more penetrating than Beta radiation and Beta is more penetrating than alpha radiation.