If a wave has a frequency of 50 Hz and a wavelength of 3 m, what is its speed? (

Practice Questions

Q1
If a wave has a frequency of 50 Hz and a wavelength of 3 m, what is its speed? (2019)
  1. 150 m/s
  2. 100 m/s
  3. 50 m/s
  4. 200 m/s

Questions & Step-by-Step Solutions

If a wave has a frequency of 50 Hz and a wavelength of 3 m, what is its speed? (2019)
  • Step 1: Understand the formula for wave speed, which is v = fλ, where v is the speed, f is the frequency, and λ (lambda) is the wavelength.
  • Step 2: Identify the values given in the question. The frequency (f) is 50 Hz and the wavelength (λ) is 3 m.
  • Step 3: Substitute the values into the formula. Replace f with 50 Hz and λ with 3 m in the formula v = fλ.
  • Step 4: Calculate the wave speed. Multiply 50 Hz by 3 m to get v = 150 m/s.
  • Step 5: Conclude that the speed of the wave is 150 m/s.
  • Wave Speed Calculation – The relationship between wave speed, frequency, and wavelength is given by the formula v = fλ, where v is the wave speed, f is the frequency, and λ is the wavelength.
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