Ocr A a2 physics - braking radiationWatch
Am I right in thinking that characteristic radiation is caused by the accelerated electron colliding with target atom causing an inner electron to be knocked off resulting in another electron dropping down an energy level to fill the gap, and so releases energy in the form of an x ray?
If so I wondering if braking radiation was caused by the accelerated electron colliding with more than one atom in the target metal and so causing electrons to be knocked off from a number of atoms causing loads of other electrons to fall down energy levels to fill the spaces and hence producing a large range of energy in the form of x rays?
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In the second paragraph, if the electron were to ionise two inner electrons: why do you think the characteristic x-rays from each of these ionisation events would have different frequencies? The frequencies are governed by the energy gained by an outer shell electron replacing the removed inner shell electron. As long as you have the same element, you have the same energy.