Question

A sound wave produced by a loudspeaker can travel through water, but not through a vacuum. In comparison, a red light wave produced by a laser can

travel through
A. both water and a vacuum
B. a vacuum, but not through water
C. neither water nor a vacuum
D. water, but not through a vacuum
Please help

Answer 1

A. Light can travel trough air and space.

Step-by-step explanation:

A vacuum is space that has no air inside of it. Since light is able to go through 'nothing' and matter, your answer must be A.

Answer 2

A) Both water and a vacuum

Step-by-step explanation:

Sound is a mechanical wave that requires a medium such as air or water to travel through. A laser on the other hand can travel through some mediums and vacuum.