A card has red, green and white areas when viewed in white light. The card is illuminated only with blue light. Assume each coloured area reflects only its own colour. Which gives the appearance of the red, green and white areas, in that order?
red, green, blue
black, green, white
black, black, blue
blue, blue, white
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.