How does physics apply in a homemade glass xylophone? [8 glasses of same size filled with water at different levels for pitch, and tapped with a spoon to make the sound]

Question

I know it has something to do with waves and sound, but I'm not quite sure what else.

Thank you!

Answer 1

Yes, sound waves. Try the following:

How does physics apply in a homemade glass xylophone

Sra