Two travelling sinusoidal sound waves have the same amplitude and frequency. They can produce fully constructive interference only if:

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Physics · Waves

Verified Solution4 OptionsUpdated: October 2026👁️1 View

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they travel in the same direction and are in phase.

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Answer 1

they travel in the same direction and are 180° out of phase.

Answer 2

they travel in the same direction and are in phase.

Answer 3

they travel in opposite directions and are in phase.

Answer 4

they travel in opposite directions and are 180° out of phase.

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