Question

question 3 q3. what is the main limitation of sidescan sonar compared to multibeam sonar? ∘ it cannot detect objects on the seafloor ∘ it only produces 2d imagery, not 3d bathymetry ∘ it cannot operate in shallow water

Explanation:

• Analyze each option:
• First option: Sidescan sonar can detect objects on the seafloor, so this is incorrect.
• Second option: Sidescan sonar creates 2D images of the seafloor, while multibeam sonar can generate 3D bathymetry (depth mapping). This matches the limitation.
• Third option: Sidescan sonar can operate in shallow water, so this is incorrect.

Answer:

B. It only produces 2D imagery, not 3D bathymetry