Which type of wave does not require a medium to travel?
A
Sound wave
B
Water wave
C
Seismic wave
D
Electromagnetic wave
Correct Answer: Option D — Electromagnetic wave
Explanation:
Electromagnetic waves such as light radio waves and X-rays can travel through a vacuum without requiring a medium distinguishing them from m...
Electromagnetic waves such as light radio waves and X-rays can travel through a vacuum without requiring a medium distinguishing them from mechanical waves like sound.