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प्रश्न
Two open organ pipes of lengths 49 cm and 50 cm sounded together beat at 7 per second. The speed of sound is ______.
पर्याय
336 m/s
343 m/s
350 m/s
357 m/s
MCQ
रिकाम्या जागा भरा
उत्तर
Two open organ pipes of lengths 49 cm and 50 cm sounded together beat at 7 per second. The speed of sound is 343 m/s.
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