A red filter is placed in a beam of white light. What does the filter do to the light?
It absorbs red light and transmits all the other colours.
It transmits red light and absorbs all the other colours.
It reflects red light and transmits all the other colours.
It refracts red light and absorbs all the other colours.
40 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.