X-rays of wavelength 0.1 Å allowed to fall on a metal get scattered. – McqOptions

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1.	X-rays of wavelength 0.1 Å allowed to fall on a metal get scattered. The wavelength of scattered radiation is 0.111 Å. If h = 6.624 \[\times \]10?34 J-s and m0 = 9 \[\times \]10?31 kg, then the direction of the scattered photons will be
A.	cos?1 (0.547)
B.	cos?1 (0.4484)
C.	cos?1 (0.5)
D.	cos?1 (0.3)
Answer» B. cos?1 (0.4484)

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