Nuclear Radius
Q3. Nuclear radii can be determined by observing the diffraction of high energy electrons, as shown in the diagram.
![](3.gif)
(a) On the axes below, sketch a graph of the results expected from such an electron diffraction experiment.
![](3a.png)
(2 marks)
(b) State why high energy electrons are used in determining nuclear size.
(1 mark)
(c) Electron diffraction experiments have been performed on a range of different nuclei to give information about nuclear density and average separation of particles in the nucleus. Give the main conclusion in each case.
(2 marks)
(d) Sketch a graph of the relationship between the radius of a nucleus and its nucleon number.
(1 mark)
(e) Given that the radius of the
nucleus is 3.04 × 10–15m, calculate the radius of the
nucleus.
(3 marks)
(Total 9 marks)
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