This is something new in the Form 4 KSSM new syllabus. The text book did made clear comparison and we believe this may be really important for Paper 1 question.
Mechanical Wave
- Need medium to transfer energy
- Does not transfer matter
- Vibrating medium particles
- Sound wave, seismic waves
Electromagnetic Wave
- Do not need medium to propagate its energy
- Oscillating of electric and magnetic field
- Examples: Light wave, microwave, radio waves
