Question

Unlike mechanical waves, electromagnetic waves can travel through _______. A. air B. water C. a solid D. a vacuum

Answer 1

Unlike mechanical waves, electromagnetic waves can travel through a vacuum.

Answer 2

(d) a vacuum

Step-by-step explanation:

There is difference between the mechanical wave and electromagnetic wave that

For propagation mechanical wave mechanical wave require any medium as like air, water or any material on he other hand electromagnetic wave can travel in when there is no medium as like space

So electromagnetic wave can travel through a vacuum but mechanical wave dose not

So option (d) is the correct option