Why are sound waves called mechanical waves?

Answer 

Those waves which require a medium to propagate are called Mechanical Waves.

Sound Waves can only travel through a medium like solid, liquid or gas.

It cannot travel through a vacuum.

Thus, sound waves are mechanical waves

Ask a doubt
Maninder Singh's photo - Co-founder, Teachoo

Made by

Maninder Singh

CA Maninder Singh is a Chartered Accountant for the past 14 years and a teacher from the past 18 years. He teaches Science, Economics, Accounting and English at Teachoo