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Which waves are employed in SONAR?
  • a)
    X rays
  • b)
    Ultrasonic 
  • c)
    Sonar wave
  • d)
    Infrasonic Wave
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
Which waves are employed in SONAR?a)X raysb)Ultrasonicc)Sonar waved)In...
》ULTRASONIC WAVE

# Because this WAVE has high frequency (above 20000 Hz).

* IN SHORT *

- High frequency means HIGH PENETRATING POWER.
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Which waves are employed in SONAR?a)X raysb)Ultrasonicc)Sonar waved)In...
Another popular use for ultrasonics is in ships, both for navigation and for locating objects underwater. Sound travels faster through water than through air, which is very helpful because light hardly travels through water at all. Most people know that whales can use low-frequency sound to communicate across entire oceans. Submarinesuse a similar trick with a type of navigation called sonar (sound navigation and ranging), which is a bit like an underwater equivalent of radar.
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Which waves are employed in SONAR?a)X raysb)Ultrasonicc)Sonar waved)Infrasonic WaveCorrect answer is option 'B'. Can you explain this answer?
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