A) खुल्या पाईपच्या दोन्ही बाजूंनी आवाज ऐकू येतो
B) बंद पाईपच्या तुलनेत खुल्या पाईपमध्ये अधिक ओव्हरटोन संयोजने असतात
C) खुल्या पाईपचा वापर करणे खूप सोपे असते
D) खुल्या पाईपची लांबी कमी असते
योग्य उत्तर: B
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BETA
