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An x-rays beam having wavelength 0.300 nm is scattered from the surface of a material.
Determine the wavelength for the incident beam if the angle of scattered beam is 70° to
the incident beam.
(A) 6.82×10¯
(B) 5.85x101° m
(C) 2.98×10-10 m
(D) 1.52×1010 m
m

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