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Component 3 Light, Nuclei and Options

Quick questions on Nuclear energy: mass-energy equivalence, binding energy, fission and fusion - 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?
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State Einstein's mass-energy equivalence relation. [1 mark]
What is q2?
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A reaction has a mass defect of 2.0×10−28 kg2.0 \times 10^{-28}\ \text{kg}. Find the energy released (c=3.0×108 m s−1c = 3.0 \times 10^{8}\ \text{m s}^{-1}). [2 marks]
What is q3?
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State why energy is released when a heavy nucleus undergoes fission. [2 marks]

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