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]
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Fundamentals of Ethics for Scientists and Engineers
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