A ray of light strikes a plane mirror. A student measures the angle of incidence $i$ and the angle of reflection $r$. The student changes the angle of incidence and then draws a graph of $r$ against $i$. What shape would the graph have?
Physics 0625 · IGCSE · Light
A ray of light strikes a plane mirror. A student measures the angle of incidence $i$ and the angle of reflection $r$. The student changes the angle of incidence and then draws a graph of $r$ against $i$. What shape would the graph have?