When you are teaching Optics it can take a while to ensure that your students are understanding how to draw the Ray Diagrams. Here are some free exit cards for curved mirrors you can use as quick formative checks at the end of your lessons.
There are 8 cards in all - 4 for concave mirrors and 4 for convex mirrors. Just print, cut and distribute!
The best part - the solutions are included too - so it will take you no time to check how your students are progressing!