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प्रश्न
An organ pipe of length 0.4 m is open at both ends. The speed of sound in the air is 340 m/s. The fundamental frequency is ______
विकल्प
405 Hz
415 Hz
425 Hz
435 Hz
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उत्तर
An organ pipe of length 0.4 m is open at both ends. The speed of sound in the air is 340 m/s. The fundamental frequency is 425 Hz.
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