Light and sound - reflection and refraction 5.0 / 5 based on 1 rating ? PhysicsLight and sound - reflection and refractionGCSEAQA Created by: emewsCreated on: 12-11-17 14:52 True or false? Light and sound both travel as waves, but they are not identical. TRUE! 1 of 5 What happens when white light travels through a triangular prism? When white light passes from air into a triangular prism, it refracts into the colours of the rainbow. 2 of 5 When do light and sound waves change speed? Sound waves and light waves change speed when they pass across the boundary between two substances with different densities such as air and glass. 3 of 5 True or false? The angle of reflection is opposite to the angle of incidence. FALSE! The angle of reflection is EQUAL to the angle of incidence. 4 of 5 What type of surface produces strong echos when sound waves hit them? Smooth surfaces produce strong echoes when the sound waves hit them, and they can act as mirrors when light waves hit them. 5 of 5
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