A standing wave is one in which
A. two waves are moving in the same direction
B. two waves completely cancel each other out
C. two waves are moving through the same medium in opposite directions
D. two waves move in opposite directions and always amplify each other

Question

A standing wave is one in which
A. two waves are moving in the same direction	
B. two waves completely cancel each other out	
C. two waves are moving through the same medium in opposite directions	
D. two waves move in opposite directions and always amplify each other

anonymous · Answer

When two waves of equal wavelength and amplitude travel in opposite directions at the same velocity through a medium, stationary, or standing, waves are formed.