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Question
The properties of ultrasound that make it useful are
Options
High power and high speed
High power and good directivity
High frequency and high speed
High frequency and bending around the objects.
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Solution
The properties of ultrasound that make it useful are High power and good directivity
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RELATED QUESTIONS
The sketches I to IV in following Figure show sound waves, all formed in the same time interval.
 |
 |
| I | II |
 |
 |
| III | IV |
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