In the second type of helium-ion microscope, a 1.2 MeV ion passing through a cell loses 0.2 MeV per mm of cell thickness. If the energy of the ion can be measured to 6 keV, what is the smallest difference in thickness that can be discerned? (a) 0.03 mm; (b) 0.06 mm; (c) 3 mm; (d) 6 mm.
In the second type of helium-ion microscope, a 1.2 MeV ion passing through a cell loses 0.2 MeV per mm of cell thickness. If the energy of the ion can be measured to 6 keV, what is the smallest difference in thickness that can be discerned? (a) 0.03 mm; (b) 0.06 mm; (c) 3 mm; (d) 6 mm.
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In the second type of helium-ion microscope, a 1.2 MeV ion passing through a cell loses 0.2 MeV per mm of cell thickness. If the energy of the ion can be measured to 6 keV, what is the smallest difference in thickness that can be discerned? (a) 0.03 mm; (b) 0.06 mm; (c) 3 mm; (d) 6 mm.
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