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1. |
Air is blown at the mouth of a tube (Length 25 cm and diameter 3 cm) closed at one end. Velocity of sound is 330 m/s. The sound which is produced will correspond to the frequencies __. |
A. | 330 Hz |
B. | Combination of frequencies 330, 660, 990, 120, 1650 Hz |
C. | Combination of frequencies 330, 990, 1650, 2310, Hz |
D. | Combination of frequencies 300, 900, 1500, 2100, Hz |
Answer» D. Combination of frequencies 300, 900, 1500, 2100, Hz | |