The speed of sound in air under certain conditions is 350 m/s. If two sound waves
of wavelengths
70/149 mand
70/150 m at a point at the same time, what will be the
beat frequency?
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hu7uuuuuiigebhndjdkjyjxjxjxjxj,jsjjsjiwuaowpslylkxmmxjyjkyky
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