Question

1. which type of wave can travel through empty space?

seismic wave

sound wave

electromagnetic wave

water waves

Explanation:

• Seismic wave: Requires a medium (solid, liquid) within the Earth.
• Sound wave: Needs a medium (gas, liquid, solid) to propagate.
• Electromagnetic wave: Can travel through a vacuum (empty space) as it consists of oscillating electric and magnetic fields.
• Water wave: Travels on the surface of water (a medium).

Answer:

Electromagnetic wave.