Light waves can be focused to a point by a convex lens. What wave phenomenon causes this focusing, and what is the nature of light waves?
Wave phenomenon: reflection; nature of light waves: longitudinal
Wave phenomenon: reflection; nature of light waves: transverse
Wave phenomenon: refraction; nature of light waves: longitudinal
Wave phenomenon: refraction; nature of light waves: transverse
56 exam-style questions on CIE IGCSE Physics 3.2.3a Converging and diverging lenses. Each one has a worked solution and a mark scheme showing where the marks go.