Waves do not need a medium all time.it depends like u need no medium when it is electromagnetic wave.
A mechanical wave such as a sound wave requires a medium to travel through.
The medium
water
waves are easily travel in medium.....
The medium of an ocean wave is water.
Sound wave do not travel through vaccum as it need medium to travel.
No.
any wave of energy except for electromagnetic waves need a medium to travel through.
A mechanical wave.
when a wave travel through medium then sound is produced
A Mechanical Wave is a wave that requires a medium through which to travel.
A mechanical wave is a wave that uses a medium to travel. Without a medium, it would not be able to go anywhere.