White light from a theatre spotlight passes through a colour filter. The light emerging from the filter is red. Which statement explains this observation?
The filter reflects red wavelengths and transmits most other visible wavelengths.
The filter transmits red wavelengths and absorbs most other visible wavelengths.
The filter absorbs red wavelengths and reflects most other visible wavelengths.
The filter transmits most visible wavelengths and adds red light to the beam.
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.