A surveyor uses a convex lens as a magnifying glass to examine a crack in a concrete wall.
The crack has an actual width of 1.5 mm1.5\text{ mm}1.5 mm.
The magnifying glass produces a magnification of 4.24.24.2.
Calculate the width of the image of the crack when viewed through the magnifying glass.
State two characteristics of the image formed by this magnifying glass.
29 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.