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Two sounds are heard at the end of an iron rod5 km long, at an interval of 14 seconds, when asource of sound is placed at the other end of therod. The velocity of sound in air is 330 m/s. Thevelocity of sound in iron is approximately |
| Answer» Two sounds are heard at the end of an iron rod5 km long, at an interval of 14 seconds, when asource of sound is placed at the other end of therod. The velocity of sound in air is 330 m/s. Thevelocity of sound in iron is approximately | |