Question 1 Report
The diagram shows a road safety worker examining a raised cat's-eye marker. A car headlamp shines on one face of the marker. Inside, two reflective faces meet at a right angle. The returned light is seen by the driver even when rain makes the road surface dark. The worker compares the marker with a flat strip of reflective tape.
(a) Describe the path of the ray inside the marker. [2]
(b) Explain why the driver receives light back from the marker. [2]
(c) Give one advantage of this marker over a plane mirror fixed at one angle. [2]
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