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  • Sound - 1 (Class IX)
  • SONAR measures distance, direction and speed of underwate...
Multiple choice

SONAR measures distance, direction and speed of underwater objects using

  1. infrared waves

  2. ultrasonic waves

  3. radio waves

  4. microwaves

  5. All of the above

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Yes, it is the correct answer.

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