A. Red light
B. Sound waves
C. X-Rays
D. Photon
Submitted by: Mansoor Ul Haque
Correct Answer: Sound waves ✔
Last Updated: April 09, 2018
A. Red light
B. Sound waves
C. X-Rays
D. Photon
Submitted by: Mansoor Ul Haque
Correct Answer: Sound waves ✔
Last Updated: April 09, 2018