## X-rays Explained

A lesson on X-rays, and how they are produced. Covered at the depth required for high school Physics.   For students of NSW, this cover the dot points in the Medical Physics elective (9.6) •describe how X-rays are currently produced • compare the differences between ‘soft’ and ‘hard’ X Rays

## Understanding PET scans

In this video, I discuss Positron Emission Tomography. In particular, I refer to the source of the positron, its annihilation and how the resultant gamma rays are collected. I also briefly discuss its diagnostic benefits.

## Simultaneity Explained

In this video, I explain simultaneity using a question from the 2011 HSC physics paper

## Band theory (semiconductors) explained

An explanation of band theory, discussing the difference between conductors, semiconductors and insulators, including a useful analogy.

## intrinsic semiconductors Explained

An explanation of intrinsic semiconductors work, in light of Band Theory.

## Extrinsic Semiconductors Explained

The third in the series on semiconductors, this video explains how doping a semiconductor such as silicon, improves its conductive properties, using band theory model to explain. This video aligns with the NSW HSC syllabus but is applicable to other jurisdictions.

## Doppler Effect Explained

A quick explanation of the doppler effect using an animation written by W. Christian at Davidson College. This useful animation to undertaking pitch change in moving sound sources and also how ultrasound (sonograms) can measure blood flow.

## RUDE – a way to solve physics numerical problems

In this video I teach you to use the acronym of RUDE to help you solve physics calculation problems and a logical and sequential way

## top ten tips for exam success

Here are my top ten tips in doing exams. Although the focus is Physics, and science in general, you can apply them in any subject.

## NSW Physics review – dot points 9.4.4

The in a series of short videos, I review the dot points in the NSW HSC syllabus. I won’t go into the full details of the physics of each point, but I will touch on them discussing the nuances of each dot point. I this set I review section 9.4 Ideas to Implementation part 4 – on superconductors

## NSW Physics review – dot points 9.4.3

The in a series of short videos, I review the dot points in the NSW HSC syllabus. I won’t go into the full details of the physics of each point, but I will touch on them discussing the nuances of each dot point. I this set I review section 9.4 Ideas to Implementation part 3 – on semiconductors

## HSC physics dot point review 9.4.2

This video reviews the dot points in Ideas to Implementation section of the Physics syllabus, looking at the Photoelectric Effect and Einstein’s contribution to it

## 9.4.1 – review of Ideas to Implementation

This is a summary of the dot points for Ideas to Implementation, part 1, covering charges in fields, cathode rays, JJ Thompson.

## NSW Physics review – dot points 9.3.3

The in a series of short videos, I review the dot points in the NSW HSC syllabus. I won’t go into the full details of the physics of each point, but I will touch on them discussing the nuances of each dot point. I this set I review section 9.3 Motors and Generators part 3 – on generators

## NSW Physics review – dot points 9.3.2

The in a series of short videos, I review the dot points in the NSW HSC syllabus. I won’t go into the full details of the physics of each point, but I will touch on them discussing the nuances of each dot point. I this set I review section 9.3 Motors and Generators part 2 – on electromagnetic induction

## NSW Physics review – dot points 9.3.1

The next in a series of short videos, I review the dot points in the NSW HSC syllabus. I won’t go into the full details of the physics of each point, but I will touch on them discussing the nuances of each dot point. I this set I review section 9.3 Motors and Generators

## NSW Physics review – dot points 9.2.4

The fourth in a series of short videos, I review the dot points in the NSW HSC syllabus. I won’t go into the full details of the physics of each point, but I will touch on them discussing the nuances of each dot point.   In this video I discuss section 9.2.4 – Current and emerging understanding about time and space has been dependent upon earlier models of the transmission of light

## NSW Physics review – dot points 9.2.3

The third in a series of short videos, I review the dot points in the NSW HSC syllabus. I won’t go into the full details of the physics of each point, but I will touch on them discussing the nuances of each dot point.   In this video I discuss section 9.2.1 – The Earth has a gravitational field that exerts a force on objects both on it and around it

## NSW Physics review – dot points 9.2.2

The second in a series of short videos, I review the dot points in the NSW HSC syllabus. I won’t go into the full details of the physics of each point, but I will touch on them discussing the nuances of each dot point.   In this video I discuss section 9.2.2 – Many factors have to be taken into account to achieve a successful rocket launch, maintain a stable orbit and return to Earth

## NSW Physics review – dot points 9.2.1

The first in a series of short videos, I review the dot points in the NSW HSC syllabus. I won’t go into the full details of the physics of each point, but I will touch on them discussing the nuances of each dot point.   In this video I discuss section 9.2.1 – The Earth has a gravitational field that exerts a force on objects both on it and around it

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