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← ScienceWhich consequence results when a submarine's acoustic countermeasures employ destructive interference?
A)Reduced sonar return signal strength✓
B)Increased cavitation around propellers
C)Higher fuel consumption at speed
D)Greater temperature gradients near hull
💡 Explanation
Reduced sonar return occurs because destructive interference reduces the amplitude of reflected sound waves. This requires strategic phase shift to achieve wave superposition. Therefore, the vessel is more difficult to detect via active sonar, rather than experiencing cavitation issues at speed.
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