Does the cutoff wavelength `lamda_(min)` of the continous x- ray spectrum increse decrease or remain the same if you (a) increase the kinetic energy of the electrons that strike the x ray target (b ) allow the electrons to strike a thin foil rather than a thick block of the target material ,(c ) change the target to an element of higher atomic number ?
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(a) decrease (b) and (c ) remains the same
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