A Wave Is Traveling with a Velocity of 300 M/s

question 66

Multiple Choice

A wave is traveling with a velocity of 300 m/s and strikes a surface at an angle of 30.0 degrees with the normal to the surface. The wave splits into a reflected part and a refracted part. The refracted wave travels with a velocity of 400 m/s. What is the angle of refraction?

• A) 20.5 degrees
• B) 25.9 degrees
• C) 30.5 degrees
• D) 41.8 degrees
• E) 50.3 degrees

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