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A standing wave has a wavenumber 200 rad/m. What is the distance between two adjacent nodes?

  • physics -

    1/200 = 0.005 meters / rad
    pi rad / node x 0.005 meters / rad = 0.0157 m / node

  • physics -

    k =200 rad/m
    k=2π/λ
    => λ=2π/k=2π/200 =π/100=0.0314 m
    x= λ/2=0.0314/2=0.0157 m

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