A museum display has three opaque tiles. The tiles are red, blue and white in white light. They are illuminated only with green light. Assume the red tile reflects red light only, the blue tile reflects blue light only, and the white tile reflects most visible wavelengths.
Which tiles appear the same colour as each other?
No two of the tiles
The red and blue tiles
The red and white tiles
All three tiles
93 exam-style questions on Edexcel GCSE Physics 5.1 Reflection, refraction and lenses, covering 5.1.1 Reflection, refraction and total internal reflection, 5.1.2 Specular and diffuse reflection, 5.1.3 Colour of light: absorption and filters, 5.1.4 Lenses: power, focal length and shape, 5.1.5 Ray diagrams for converging and diverging lenses, and 5.1.6 Real and virtual images. Each one has a worked solution and a mark scheme showing where the marks go.