A student reads the following relationship in her physics textbook:
n=sinisinr n = \frac{\sin i}{\sin r} n=sinrsiniWhat is the student reading about?
diffraction of light by a narrow aperture
reflection of light by a plane mirror
refraction of light as it enters a medium
dispersion of white light by a glass prism
100 exam-style questions on CIE IGCSE Physics 3.2.2 Refraction of light. Each one has a worked solution and a mark scheme showing where the marks go.