Question: Problem 3 [30 points]: A Longitudinal wave was generated in Material 1 (glass) and impinges with an angle 0 20deg on the interface with

Problem 3 [30 points]: A Longitudinal wave was generated in Material 1 (glass) and impinges with an angle 0 20deg on the interface with a second Material 2 (Aluminum). Speeds are: Glass V-4 km/sec; vs=2.4 km/sec, Aluminum v=6.3 km/sec; vs=3.3 km/sec a) Compute angles of propagation for all the reflected, refracted and mode converted waves Complete the drawing provided below with all waves involved. b) Compute the first and second critical angles. L Material 1 Bu Material 2

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