The K x rays arising from a cobalt (Z = 27) target have a wavelength of about 179 pm.The atomic number of a target that gives rise to K x rays with a wavelength one-third as great ( 60pm) is:
A) Z = 9
B) Z = 26
C) Z = 28
D) Z = 46
E) Z = 81
Correct Answer:
Verified
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