Practice Mass – Energy (13.4.1) - NUCLEI

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8 questions

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6 sample questions

Question 1.
What does E=mc² represent?
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Think of how energy and mass relate!
Question 2.
What is mass defect?
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Consider why a nucleus might weigh less than its individual particles.
3Question 3.
What does E=mc² tell us?
- Mass cannot be converted to energy
- Mass can be converted to energy
- Energy is unrelated to mass
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Focus on how energy relates to mass!
4Question 4.
True or False: In nuclear fission, energy is released when a nucleus splits.
- True
- False
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Consider what happens during fission.
Question 5.
A nuclear reactor converts 2.0 kg of Uranium-235 into energy. How much energy does it release according to E=mc²?
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Remember to use the mass in kilograms.
Question 6.
Discuss how mass defect influences nuclear reactions in terms of energy release.
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Reflect on the stability of nuclei and how it relates to mass defect.

4 more questions in this section. Enroll free to practise them all.