MCQ
SONAR is a technique used to ___________ .
  • A
    detect the submarine inside sea
  • B
    determine the size of blue whale
  • C
    detect the impurities present in sea water
  • detect the depth of sea bed

Answer

Correct option: D.
detect the depth of sea bed
(d)
detect the depth of sea bed
Explanation:
SONAR (Sound Navigation And Ranging) uses sound waves to map or navigate underwater environments, including measuring the depth of the sea bed, which is one of its primary applications.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free