Question

4. Which of the following are not able to

travel through empty space?
A. gamma rays
C. sound waves
B. ultraviolet waves
D. light waves

Answer 1

Answer: C. Sound Waves

Explanation: Sound waves need a medium to travel through because they are vibrations so they need to travel through a solid, liquid, or gas. While electromagnetic/light waves can travel through empty space, gamma rays and ultraviolet waves are Electromagnetic waves.

Answer 2

C.Sound waves.

Hope it helps you.