Q.

Wavelength of x-rays is in range

A. 10 -8 to 10 -13 m
B. 10 -7 to 10 -14 m
C. 10 -10 to 10 -15 m
D. 10 2 to 10 9 m
Answer» A. 10 -8 to 10 -13 m
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