Light is travelling through air. The light strikes a glass block at an angle of incidence of 50∘50^\circ50∘. The glass has a refractive index of 1.52.
What is the angle of refraction of the light as it enters the glass?
25∘25^\circ25∘
30∘30^\circ30∘
38∘38^\circ38∘
76∘76^\circ76∘
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.