A national flag displayed in an exhibition features a bright blue stripe and a vibrant red stripe.
Why does the blue stripe look blue when illuminated by white light?
Explain how the appearance of both the blue stripe and the red stripe changes when the gallery's spotlight is switched from white light to pure red light.
29 exam-style questions on AQA GCSE Physics 6.2 Electromagnetic waves, covering 6.2.1 Types of electromagnetic waves, 6.2.2 Properties of electromagnetic waves 1, 6.2.3 Properties of electromagnetic waves 2, 6.2.4 Uses and applications of electromagnetic waves, 6.2.5 Lenses, and 6.2.6 Visible light. Each one has a worked solution and a mark scheme showing where the marks go.