3.23 know that sound waves are longitudinal waves which can be reflected and refracted sound waves are longitudinal waves which can be reflected and refracted. stuart2022-11-29T15:01:34+00:00Categories: (d) Light and sound, 3 Waves, Edexcel iGCSE Physics, Uncategorized|Tags: Double, GCSE, GCSE _Physics_Single, GCSE_Physics_SpecPoint, Physics, SpecPoint, Topic: Challenging Waves| Share This Story, Choose Your Platform! FacebookXRedditLinkedInTumblrPinterestVkEmail