Cambridge Secondary (7-9). Stage 8. Science. Learner's Book - Unit 6: Light - Question 6

Marcus drops a pencil. The pencil rolls under his bed. Marcus cannot see the pencil.
The diagram shows a light ray coming from the pencil.
Marcus can use a mirror to see the pencil.
Copy and complete the diagram by adding a mirror and a reflected light ray to show how Marcus can see the pencil. You do not have to measure the angles.