Question

Recall rem = rad x q radiation weighting factor (q): the ability to transfer energy to the body 1 for photons 1 for electrons 2 for protons 20 for alpha particles, fission fragments, and heavy ions 2 to 20 for neutrons, depending on the energy level suppose two people are exposed to equal doses of radiation (equal number of rads) inside their bodies. suppose that the first person is exposed to alpha radiation, while the second person is exposed to protons. how many times worse is the biological risk for the first person than the second as a result of radiation weighting?

Answer 1

The biological risk for the first person than the second as a result of radiation weighting is 10 times.

What is radiation weighting factor?

As stated in the question, radiation weighting factor (q) is the ability to transfer energy to the body.

If radiation factor of proton = 2, and radiation factor of alpha particles = 20.

• First person is exposed to alpha radiation = 20
• Second person is exposed to protons = 2

Risk of first person with respect to second person = 20/2 = 10 times higher

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