Which of the following statements about X-rays ... - WAEC Physics 2012 Question
Which of the following statements about X-rays is correct? X-rays
A
are produced when a metal surface is irradiated with ultraviolet light
B
are produced when a metal target is used to block fast miving electrons
C
have long wavelengths and are therefoer very penetrating
D
are not part of the electromagnetic spectrum
correct option: b
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