IB Physics SL E 3 2 Binding Energy and Mass Defect Questions

Use SL mass defect and binding energy to explain nuclear stability and calculate the energy equivalent of missing nuclear mass.

Exam points

Define nuclear binding energy, binding energy per nucleon and mass defect.
Calculate binding energy, mass defect and energy release using nuclear masses.
Explain nuclear stability and energy changes in fission and fusion using binding energy.

[Maximum number: 1]

This question is in two parts. Part 1 is about renewable energy. Part 2 is about nuclear energy and radioactivity.

A small coastal community decides to use a wind farm consisting of five identical wind turbines to generate part of its energy. At the proposed site, the average wind speed is $8.5 \mathrm{~m} \mathrm{~s}^{-1}$ and the density of air is $1.3 \mathrm{~kg} \mathrm{~m}^{-3}$ . The maximum power required from the wind farm is 0.75 MW . Each turbine has an efficiency of 30 %.

State what is meant by the binding energy of a nucleus.

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IB Physics SL E 3 2 Binding Energy and Mass Defect Questions question 1