Physics, asked by rohansahu379, 11 months ago

निम्न में से किस आवृत्ति की ध्वनि तरंगे प्रराश्रव्य ध्वनि की है

Answers

Answered by gayap80

2

Answer:

20000 hz की या इससे अधिक ध्वनि पराश्रव्य तरंगें हैं.

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