Question

mechanical waves and non mechanical waves
define​

Answer 1

Mechanical waves are waves that need a medium for propagation. Non-mechanical waves are waves that do not need a medium for propagation. Sound waves, water waves and seismic waves are some examples of mechanical waves. The electromagnetic wave is the only non-mechanical wave.

Answer 2

Mechanical waves are waves that need a medium for propagation. Non-mechanical waves are waves that do not need a medium for propagation. Sound waves, water waves and seismic waves are some examples of mechanical waves. The electromagnetic wave is the only non-mechanical wave.