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A wave has a frequency of 10 Hz and a wavelength of 5 m. What is its speed? (202

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Question: A wave has a frequency of 10 Hz and a wavelength of 5 m. What is its speed? (2020)

Options:

  1. 50 m/s
  2. 10 m/s
  3. 2 m/s
  4. 5 m/s

Correct Answer: 50 m/s

Exam Year: 2020

Solution: 

Speed (v) = frequency (f) × wavelength (λ) = 10 Hz × 5 m = 50 m/s.

A wave has a frequency of 10 Hz and a wavelength of 5 m. What is its speed? (202

Practice Questions

Q1
A wave has a frequency of 10 Hz and a wavelength of 5 m. What is its speed? (2020)
  1. 50 m/s
  2. 10 m/s
  3. 2 m/s
  4. 5 m/s

Questions & Step-by-Step Solutions

A wave has a frequency of 10 Hz and a wavelength of 5 m. What is its speed? (2020)
  • Step 1: Identify the frequency of the wave, which is given as 10 Hz.
  • Step 2: Identify the wavelength of the wave, which is given as 5 m.
  • Step 3: Use the formula for wave speed, which is Speed (v) = frequency (f) × wavelength (λ).
  • Step 4: Substitute the values into the formula: v = 10 Hz × 5 m.
  • Step 5: Calculate the result: 10 × 5 = 50.
  • Step 6: State the final answer: The speed of the wave is 50 m/s.
  • Wave Speed Calculation – The speed of a wave can be calculated using the formula v = f × λ, where v is speed, f is frequency, and λ is wavelength.
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