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@ howstuffworks.com, it says:
I thought that only photons could knock and electron loose.
How do electrons do the same?
[edit]
Actually, I was viewing http://www.cvm.okstate.edu/~groups/students/web/2001/diagimag/Physics_of_Radiology.ppt , and on slide 22-23, it shows the knocking loose of an electron with another electron as similar to a inelastic collision.
Is this indeed the case?
When a speeding electron collides with a tungsten atom, it knocks loose an electron in one of the atom's lower orbitals.
I thought that only photons could knock and electron loose.
How do electrons do the same?
[edit]
Actually, I was viewing http://www.cvm.okstate.edu/~groups/students/web/2001/diagimag/Physics_of_Radiology.ppt , and on slide 22-23, it shows the knocking loose of an electron with another electron as similar to a inelastic collision.
Is this indeed the case?
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