Q9.1 Sound - Frequency & pitch of musical instruments:

CONCEPT: Sound, pitch: variations for musical instruments.

Why do musical instruments make different sounds (example: why does a guitar sound different to a drum)?

A musical pitch is a blend of many different frequencies beside the fundamental. Here's a visualization of the different vibrational modes of an ideal string. The string's movements are the sum of all these different modes simultaneously.

CONCEPT: Sound, pitch: variations for musical instruments.

UNSW Explanation for common instruments + hearing test

• http://newt.phys.unsw.edu.au/music/
• http://www.quora.com/Why-do-musical-notes-sound-different-on-different-instruments
• http://meandering-through-mathematics.blogspot.com.au/2013/09/why-do-different-musical-instruments.html

Physics of musical instruments:

• http://www.physicsclassroom.com/class/sound
• http://www.physicsclassroom.com/class/sound/Lesson-5/Guitar-Strings