Light can travel to Earth from a distant star, but sound cannot. Why is this?
A) Light is an electromagnetic wave, and sound requires a medium.
B) The Sun does not make sound.
C) Light is a longitudinal wave, and sound is a transverse wave.
D) The statement is false; both light and sound can travel in empty space.

Question

Quizplus · Accepted Answer

Light is an electromagnetic wave, which allows it to travel through the vacuum of space, whereas sound is a mechanical wave that requires a medium (like air, water, or solid materials) to propagate.

Light Can Travel to Earth from a Distant Star, but Sound