Nodes in a stationary wave are 12 cm apart and the frequency is 50 Hz. The speed of the travelling waves is:

  1. 6 m/s
  2. 24 m/s
  3. 12 m/s
  4. 600 m/s
Answer

C) 12 m/s

lambda = 24 cm; v = flambda = 50 0.24 = 12 m/s. SLO P-11-D-11 · Understanding

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