The correct response is: They must move through a medium.
Mechanical waves require a medium (such as air, water, or solid substances) to propagate, unlike electromagnetic waves, which can travel through a vacuum.
What do all mechanical waves have in common?(1 point)
Responses
They are all able to move through empty space.
They are all able to move through empty space.
They all vibrate in the same direction as the wave’s motion.
They all vibrate in the same direction as the wave’s motion.
They all vibrate at right angles to the direction the wave is moving.
They all vibrate at right angles to the direction the wave is moving.
They must move through a medium.
1 answer