Select all the following that are correct about mechanical waves? A. They can be longitudinal b. They can propagate in a physical medium c. They can propagate in a vacuum d. They r composed of high energy particles e. They can be transverse f. They transfer energy form particle to particle

1 answer

A. They can be longitudinal
B. They can propagate in a physical medium
E. They can be transverse
F. They transfer energy from particle to particle