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Sound — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceSound1 Mark
MCQ
The full name of $'SONAR'$ is:
  • A
    Sonography and Research
  • B
    Solar Navigation and Research
  • ✓
    Sound Navigation and Ranging
  • D
    Sound Navigation and Research
✓

Answer

Correct option: C.
Sound Navigation and Ranging

The acronym $SONAR$ stands for SOund Navigation And Ranging. Sonar is a device that uses ultrasonic waves to measure the distance, direction and speed of underwater objects.

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