A trumpet has a higher tone than a tuba because it has less length of tubing.
The trumpet is much smaller than the tuba, hence it has a higher pitch.
Larger (longer and wider) pipes have a lower resonant frequency than smaller ones. The typical "trumpet" (which is often actually a cornet) plays about two octaves higher than a typical tuba.
A trumpet is a brass instrument with a higher pitch and a more cylindrical shape, while a trombone is a brass instrument with a lower pitch and a larger, more conical shape. Trombones use a slide to change the pitch, while trumpets use valves.
A piccolo trumpet has a higher pitch than that of a traditional trumpet.
Valves. They're used to change the pitch.
I believe that the trumpet is the highest in te Brass famly, and the tuba is the lowest. In general, the bigger instrument is the lowest.
Horn, Trumpet, Trombone, and tuba.
Trumpet produces a higher pitch as compared to a Trombone
trumpet, trombone, baritone, tuba, and french horn
Tuba is from the Latin for horn or trumpet.
There are many brass instruments smaller than a tuba, because the tuba is the largest of the brass instruments. The instruments smaller than it in order from largest to smallest are: Baritone Horn, Euphonium, Trombone, Trumpet, Cornet, Piccolo Trumpet.