P18_085 - 85. (a) The frequency at which = D is f1 = v 343...

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85. (a) The frequency at which λ = D is f 1 = v D = 343 m / s 15 . 0 × 10 2 m =2 . 29 × 10 3 Hz , the frequency at which λ =10 D is f 2 =2 . 29 × 10 2 Hz , and the frequency at which λ =0 . 1 D is f 3 =2 . 29 × 10 4 Hz . (b) Now, D 0 =30 . 0cm . The frequency at which λ = D 0 is f 0 1 = v/D 0 = (343 m / s) / (30 . 0 × 10 2 m) = 1 . 14
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This note was uploaded on 11/12/2011 for the course PHYS 2001 taught by Professor Sprunger during the Fall '08 term at LSU.

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