Mathematics · Sound
पराबैंगनी ध्वनि (अल्ट्रासाउंड) उपकरण निम्नलिखित में से किस सीमा से अधिक की आवृत्तियों पर कार्य करते हैं?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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