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Q: Echolocation in ships is used for measuring-
  • A. Depth of light
  • B. Density of fish
  • C. Depth of water
  • D. Density of oceanic vegetation
Correct Answer: Option C - Echolocation in ships is used for measuring depth of water. The principle of echolocation is same as SONAR system. Hence, SONAR is the type of Echolocation.
C. Echolocation in ships is used for measuring depth of water. The principle of echolocation is same as SONAR system. Hence, SONAR is the type of Echolocation.

Explanations:

Echolocation in ships is used for measuring depth of water. The principle of echolocation is same as SONAR system. Hence, SONAR is the type of Echolocation.