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← ScienceWhich mechanism causes increased signal fading underwater near hydroacoustic transducers?
A)Destructive wave interference✓
B)Increased Doppler frequency shift
C)Acoustic impedance mismatch
D)Thermohaline gradient distortion
💡 Explanation
Destructive wave interference attenuates the sound waves because superposition of opposing signals cancel each other, therefore reducing signal range around the transducer, rather than Doppler shift or impedance mismatches which affect signal clarity differently.
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