A mechanical wave is associated with materials or substances known as mediums. Which of the following is not a type of mechanical wave?

Question

A mechanical wave is associated with materials or substances known as mediums. Which of the following is not a type of mechanical wave?

Quizplus · Accepted Answer

As it is stated in the question; a mechanical wave is associated with materials or substances known as mediums. Vibrating materials or substances of mediums such as water, rocks, and springs create water waves, seismic waves and spring waves respectively. Some may think that radio waves are vibrations of air particles; however, radio waves are electromagnetic waves which do not need a medium to be transmitted.

A Mechanical Wave Is Associated with Materials or Substances Known