Sounds above 20000Hz are called - Practice (English) | ObjectiveMcq

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Sounds above 20000Hz are called - Practice (English) | ObjectiveMcq

PracticeGeneral ScienceSound WavesSounds above 20000Hz are called...

Sound Waves General ScienceEasy

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Sounds above 20000Hz are called

Correct Answer:

(B) ultrasound

Explanation:

ultrasound

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