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3.2 Particles and radiation

Quick questions on Energy levels and photon emission: line spectra and the fluorescent tube - AQA 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?
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An electron falls from a level at 3.4 eV-3.4 \text{ eV} to a level at 13.6 eV-13.6 \text{ eV}. Find the energy of the emitted photon in joules. [2 marks]
What is q2?
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Explain why each element produces a unique line spectrum. [2 marks]
What is q3?
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State what is meant by ionisation of an atom. [1 mark]

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