Two questions with the same words can have somewhat different meanings. For example, I could ask
Do you want to go to the zoo or the museum?
with my intonation/pitch rising after zoo, or
Do you want to go to the zoo or the museum?
with a higher intonation on zoo going down to a lower pitch by museum.
So, using only intonation, it seems we can distinguish between "here are two of our options" (1) and "here are our only two options" (2).
Is there a name for intonation changing the meaning of a sentence?