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Component 3 Light, Nuclei and Options
Quick questions on Lasers: energy levels, stimulated emission and population inversion - Eduqas A-Level Physics
3short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What is q1?Show answer
State the equation linking the photon energy to two atomic energy levels. [1 mark]
What is q2?Show answer
State two properties of laser light that distinguish it from the light of a filament lamp. [2 marks]
What is q3?Show answer
State what is meant by population inversion. [2 marks]
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