8. A wave travelling at (56 100) m s-1 enters a second medium at an...

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8. A wave travelling at (56 × 100) m s-1 enters a second medium at an angle of incidence of 55°. Its speed falls increases by 25%. Find the angle of refraction. of the wave. [4 marks] 8. A wave travelling at (56 × 100) m s-1 enters a second medium at an angle of incidence of 55°. Its speed falls increases by 25%. Find the angle of refraction. of the wave. [4 marks]

Answer rating: 100% (QA)

Solution Identify the key information Initial wave speed v 56 100 m s Angle of incidence 55 Speed in... View the full answer