Calculate the refracted shear wave angle in aluminium [VS = 0.31cm/mic – McqOptions

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1.	Calculate the refracted shear wave angle in aluminium [VS = 0.31cm/microsec] for an incident longitudinal wave of 43.5 degrees in Plexiglas [VL =0.267cm/microsec]
A.	53 degrees
B.	61 degrees
C.	42 degrees
D.	68 degrees
Answer» B. 61 degrees

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