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.
Practise AQA GCSE Physics Electromagnetic waves with exam-style questions for Foundation and Higher tier. 52 questions covering Types of electromagnetic waves, Properties of electromagnetic waves 1, Properties of electromagnetic waves 2, Uses and applications of electromagnetic waves, Lenses (physics only), and Visible light (physics only), matched to the AQA GCSE Physics (8463) specification and written in Paper 1 and Paper 2 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.