2011 Higher physics paper is attached.

# screencast

## S3 homework solutions

I have recorded some short videos to help you review your recent homework exercise. Here is the answer to part (a) of the data logger question.

You can download a copy of any of these homework video files using the download link under each post.

## drawing scale diagrams

Here is an example of a vector problem where we use a scale diagram to find the displacement of an object.

You can watch the video using the player, click on the download button to save it to your computer or watch it in iTunes if you have subscribed to the podcast.

Vector Scale Diagrams from mr mackenzie on Vimeo.

If you want to improve the accuracy of your scale diagrams;

- use a sharp pencil
- measure the vector lengths as accurately as you can
- make sure the point of your vector arrow is on the end of the measured line
- start each new vector right at the tip of the previous vector

## Higher physics – internal resistance problem

Hands up for Mr Mallon!

He’s shared another last minute example, this time it’s an internal resistance problem for Higher Physics.

## Young’s slits problem – part 2

The second part of this problem is shorter. Watch here or get it on iTunes.

Youngs Slits example 1(b) from mr mackenzie on Vimeo.

## Example of Young’s slits

Here is an example of a Young’s slits problem. The next post will show the 2nd part of the problem.

Youngs Slits example 1(a) from mr mackenzie on Vimeo.