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1. If an electron and an alpha particle both have the same energy, which will ha

ID: 1295262 • Letter: 1

Question

1. If an electron and an alpha particle both have the same energy, which will have the greater LET? a) electron b) alpha particle c) neither, all particles same.

2. A MoTc generator stored 3 meters from a counter produces a background of 34,000 cpm. What will the background be if the generator is moved to 17 meters? (Assume there is no shielding between the generator and the counter.) a) 106 b) 212 c) 1059 d) 2024

3. The process whereby charged particles give up part(or all) of their energy in the form of electromagnetic radiation is called _____.

4. If an alpha particle loses an average of 34 kev when it creates an ion pair in air, how many ion pars will a 680 keV alpha particle create coming to rest? a) 20 b) 200 c) 2,000 d) 20,000

Explanation / Answer

c) neither, all particles same.

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c) 1059

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3 photon.

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4. If an alpha particle loses an average of 34 kev when it creates an ion pair in air, how many ion pars will a 680 keV alpha particle create coming to rest? a) 20 -answer-100% sure