For an outdoor light installation, a landscape architect considers four surfaces: still water, polished metal, rough stone and rough fabric.
The architect needs one surface that gives specular reflection and a different surface that gives diffuse reflection. Which row gives two suitable surfaces?
Specular reflection: still water; diffuse reflection: rough stone.
Specular reflection: rough fabric; diffuse reflection: rough stone.
Specular reflection: rough stone; diffuse reflection: still water.
Specular reflection: polished metal; diffuse reflection: still water.
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.