Teaching AWES Army Public School TGT Mock Test 2024 Physics Waves Supersonic Speeds, Shock Waves

श्रव्य तरंगों की आवृत्ति श्रेणी कौन सी है?

1
20 to 20,000 Hz
2
106 से 108 Hz
3
10-20 Hz
4
इनमें से कोई नहीं
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