Question

15,197 Learners found this answer helpful

what is a region of low pressure in a longitudinal wave called?
an oscillation
a rarefaction
a compression

Explanation:

• An oscillation is a repetitive variation, not related to pressure regions in longitudinal waves.
• In a longitudinal wave, a compression is a region of high pressure.
• A rarefaction is specifically the region of low pressure in a longitudinal wave.

Answer:

B. A rarefaction