Physics · Sound Waves
20,000 Hz से अधिक आवृत्ति वाली ध्वनि तरंगों को क्या कहा जाता है?
- 1पराध्वनिक (Supersonic sound)
- 2श्रव्य ध्वनि (Audible sound)
- 3अवश्रव्य ध्वनि (Infrasound)
- 4पराश्रव्य ध्वनि (Ultrasound)✓
सही उत्तर देखें
पराश्रव्य ध्वनि (Ultrasound)
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