Light waves can be focused to a point by a convex lens. What wave phenomenon causes this focusing of light, and what is the wave nature of light waves?
Reflection and longitudinal
Refraction and transverse
Refraction and longitudinal
Reflection and 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.