Which statement about waves is correct?
Sound waves are transverse waves that can travel through a vacuum.
Electromagnetic waves are longitudinal waves that travel at the speed of sound.
Transverse waves vibrate parallel to the direction of energy transfer.
Electromagnetic waves can travel through a vacuum, but sound waves require a physical medium to propagate.
237 exam-style questions on CIE IGCSE Physics General properties of waves, covering General properties of waves. Each one has a worked solution and a mark scheme showing where the marks go.