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Question(a) A sound wave emitted by a vibrator has a frequency of 40000 Hz:(i) Name the type of wave.(ii) Give one medical use of the wave mentioned in (1)(iii) Two aeroplanes A & B moving at speeds 250 m/s and 350 m/ |
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Answer» jeprogk fnfopekt wkpfoc d eprof sneodpapwp snowrotif skoetokzmzncnl oxpzpekfn. d |
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