An atom absorbs electromagnetic radiation and later emits electromagnetic radiation. Which statement describes the energy transfers?
The atom gains energy first and gains energy later.
The atom loses energy first and gains energy later.
The atom gains energy first and loses energy later.
The atom loses energy first and loses energy later.
104 exam-style questions on Edexcel GCSE Physics 5.4 Uses and dangers of EM radiation, covering 5.4.1 Dangers of electromagnetic radiation, 5.4.2 Uses of electromagnetic radiation, 5.4.3 Radio waves and oscillations in circuits, and 5.4.4 Changes in atoms and nuclei generating radiation. Each one has a worked solution and a mark scheme showing where the marks go.