A closed organ pipe is excited to produce the third overtone of the air column. Then it will have ______?
ایک بند آرگن پائپ ایئر کالم کا تیسرا اوور ٹون پیدا کرنے کے لیے پرجوش ہے۔ معلوم ہوا کہ پائپ میں ہوا ______ ہے؟
Answer: Four needs and three antinodes
Explanation
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