Science · Waves and Sound
सोनार (SONAR) तकनीक में किस प्रकार की तरंगों का उपयोग किया जाता है?
- 1अपश्रव्य तरंगें (Infrasonic waves)
- 2पराश्रव्य तरंगें (Ultrasonic waves)✓
- 3श्रव्य ध्वनि तरंगें
- 4रेडियो तरंगें
सही उत्तर देखें
पराश्रव्य तरंगें (Ultrasonic waves)
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