Physics for IGCSE & O level - Waves And Sounds (Section 6 - No. 21)

What is the difference between a sound wave and a light wave?

Sound waves are electromagnetic, and light waves are mechanical.

Sound waves can travel through a vacuum, and light waves cannot.

Sound waves are longitudinal, and light waves are transverse.

Sound waves travel faster than light waves.

Sound waves are longitudinal, and light waves are transverse.