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# 12.2. Nuclear Physics

Now, for this Higher Level topic we are going to look into some more depth into the radioactive decay ideas we first looked at in Section 7.1. We look in more depth at these mechanisms of radioactive decay, and apply a bit of exponential decay mathematics.

Clearly there are plenty of interesting case studies of radioactivity we could look at. For those who haven't seen it, one of my personal recommendations is  HBO's Chernobyl series, which looks at some of the reasons behind the core meltdown of the nuclear power station. Over the last decade there has been a huge project to prevent further release of nuclear material from the decaying remains of the power station by building a huge steel sarcophagus over the top. Take a look at this phenomenal engineering challenge below:

This section has been divided up as follows:

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## Video Lessons

 Physics Online Size of Nucleus

## Resources

 IB Physics Topic 12 Notes IB-Physics.net Chapter 12 Summary IB Revision Notes Isaac Physics Potential and Potential Energy Level 5/6 Beyond IB Mr. G 12.2 Teaching Notes 12.2 Student Notes Physics and Maths Tutor Physics and Maths Tutor Particles Definitions Particles Key Points Particles Detailed Notes Particles Flashcards

## Questions

 Cambridge University Press Topic 12: MCQs CUP Website Link Freely available online Dr French's Eclecticon Mixed Quantum 1 Mixed Quantum 1 Solutions Mixed Quantum 2 Mixed Quantum 2 Solutions Extension: Pre-University Material Dr French's Eclecticon Mixed Quantum 3 Mixed Quantum 3 Solutions Link to Dr French's Site Extension: Pre-University Material Grade Gorilla 12.2 (Nuclear) MCQs Topic 12 (Quantum) Final Quiz Quick IB Specific Mixed MCQs Mr. G 12.2 Formative Assessment Topic 12 Summary Qs IB Specific Questions
Nuclear Energy Levels

## Video Lessons

 Chris Doner Postulating the Neutrino IB Specific

## Resources

 IB Physics Topic 12 Notes IB-Physics.net Chapter 12 Summary IB Revision Notes Isaac Physics Potential Gradient and Potential Difference Level 5/6 Beyond IB Mr. G 12.2 Teaching Notes 12.2 Student Notes Physics and Maths Tutor Physics and Maths Tutor Particles Definitions Particles Key Points Particles Detailed Notes Particles Flashcards

## Questions

 Cambridge University Press Topic 12: MCQs CUP Website Link Freely available online Grade Gorilla 12.2 (Nuclear) MCQs Topic 12 (Quantum) Final Quiz Quick IB Specific Mixed MCQs Mr. G 12.2 Formative Assessment Topic 12 Summary Qs IB Specific Questions
Exponential Decay

#### Exponential Decay of Radioactive Samples

There are 5 of these SUVAT equations.

## Video Lessons

 Khan Academy Exponential Decay Intro Derivation Examples Log Plots Science Shorts Exponential Decay

## Resources

 IB Physics Topic 12 Notes IB-Physics.net Chapter 12 Summary IB Revision Notes Isaac Physics Exponentials Maths Recap Radioactive Decay Mr. G 12.2 Teaching Notes 12.2 Student Notes Physics and Maths Tutor Physics and Maths Tutor Particles Definitions Particles Key Points Particles Detailed Notes Particles Flashcards

## Questions

 Cambridge University Press Topic 12: MCQs CUP Website Link Freely available online Dr French's Eclecticon Radioactivity Radioactivity Solutions Link to Dr French's Site Extension: Pre-University Material Grade Gorilla 12.2 (Nuclear) MCQs Topic 12 (Quantum) Final Quiz Quick IB Specific Mixed MCQs Isaac Physics Activity and Decay Nuclear Decay with Time Mr. G 12.2 Formative Assessment Topic 12 Summary Qs IB Specific Questions

Definitions and Key Words : Chapter 12

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A set of Quizlet flashcards of the key words and definitions for this chapter is provided here.

## IB Questions

A question by question breakdown of the IB papers by year is shown below to allow you to filter questions by topic. Hopefully you have access to many of these papers through your school system. If available, there may be some links to online sources of questions, though please be patient if the links are broken! (DrR: If you do find some broken links, please contact me through the site)

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Questions on this topic (Section 12) are shown in light purple.

Use this grid to practice past IB questions topic by topic. You can see from the colours how similar the question topic breakdown is year by year. The more you can familiarise yourself with the IB question style the better - eventually you will come to spot those tricks and types of questions that reappear each year.

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