A museum lights a display backdrop with white light. The backdrop is made of an opaque fabric that absorbs every visible wavelength falling on it. How does the backdrop appear to visitors?
It appears dark grey because it transmits most of the visible light.
It appears white because it contains every colour of visible light.
It appears black because it reflects black light towards the visitors.
It appears black because almost no visible light is reflected from it.
93 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.