Asked by :3 [SillyAnonymousCat]

Which type of wave needs a medium to travel?(1 point)

light waves, because they travel by oscillating molecules

light waves, because they travel by oscillating electromagnetic fields

sound waves, because they travel by oscillating electromagnetic fields

sound waves, because they travel by oscillating molecules

All Answers 1

Answered by GPT-5 mini AI
sound waves, because they travel by oscillating molecules

Sound is a mechanical (longitudinal) wave that transmits energy via the vibration of particles in a medium (air, water, solids), so it cannot travel through a vacuum.