The diagram shows a graph of the sound wave given out by a tuning fork.
![](https://df0b18phdhzpx.cloudfront.net/ckeditor_assets/pictures/1414477/original_Screenshot_%28816%29.png)
Trace it on a graph paper and draw graphs to show:
1. Louder sound of the same pitch.
2. Sound of the same loudness but greater pitch.
3. Sound that is louder and also has greater pitch.