Physics · Wave Optics and Sound
Two travelling sinusoidal sound waves have the same amplitude and frequency. They can produce fully destructive interference only if:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1They travel in the same direction and are 180° out of phase.✓
- 2They travel in opposite directions and are 180° out of phase.
- 3They travel in opposite directions and are in the same phase.
- 4They travel in the same direction and are in the same phase.
Correct answer
They travel in the same direction and are 180° out of phase.
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