A wave has frequency 20 Hz and wavelength 0.5 m. What is its speed?

Answer and explanation

Correct answer: D. m/s

  1. Step 1: .
  2. Step 2: m/s.
Answer
m/s.
Why not the others: m/s: The frequency was divided by the wavelength. m/s: Frequency and wavelength were added. m/s: The wavelength was divided by the frequency.

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