The collisional stopping power of an electron with kinetic energy T = 1.489 MeV in Mercury (Z=80) is 21 MeV/cm. The total stopping power of the electron in Mercury is: 21.4 MeV/cm 23.0 MeV/cm 22.6 MeV/cm 21.2 MeV/cm 25.0 MeV/cm
The collisional stopping power of an electron with kinetic energy T = 1.489 MeV in Mercury (Z=80) is 21 MeV/cm. The total stopping power of the electron in Mercury is: 21.4 MeV/cm 23.0 MeV/cm 22.6 MeV/cm 21.2 MeV/cm 25.0 MeV/cm
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Transcribed Image Text:The collisional stopping power of an
electron with kinetic energy T = 1.489 MeV in
Mercury (Z=80) is 21 MeV/cm. The total
stopping power of the electron in Mercury is:
O 21.4 MeV/cm
O 23.0 MeV/cm
O 22.6 MeV/cm
O 21.2 MeV/cm
O 25.0 MeV/cm
The mean excitation energy of an element with Z-18 is:
O 209.58 keV
O 209.58 ev
221.80 kev
19.0 ev
221.80 ev
19.0 kev
What is the maximum energy that a pion
(mass = 140 MeV/c?) with kinetic energy of
5.5 MeV can lose in a single collision with an
electron (mass = 0.511 MeV/c2)
0.251 MeV
21.920 MeV
5.480 MeV
0.080 MeV
0.020 MeV
A 0.767 MeV electron has a total stopping
power of 10 MeV/cm in water. The time
needed to stop the electron in water is
approximately:
1.48 x10 12s
1.48 x1010 s
2.8 x1012 s
O 2.8 x1010 s
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