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A wave has a frequency of 10 Hz and a wavelength of 2 m. What is its speed? (202

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Question: A wave has a frequency of 10 Hz and a wavelength of 2 m. What is its speed? (2023)

Options:

  1. 5 m/s
  2. 10 m/s
  3. 20 m/s
  4. 15 m/s

Correct Answer: 20 m/s

Exam Year: 2023

Solution: 

The speed v of a wave is given by v = fλ. Therefore, v = 10 Hz * 2 m = 20 m/s.

A wave has a frequency of 10 Hz and a wavelength of 2 m. What is its speed? (202

Practice Questions

Q1
A wave has a frequency of 10 Hz and a wavelength of 2 m. What is its speed? (2023)
  1. 5 m/s
  2. 10 m/s
  3. 20 m/s
  4. 15 m/s

Questions & Step-by-Step Solutions

A wave has a frequency of 10 Hz and a wavelength of 2 m. What is its speed? (2023)
  • Step 1: Identify the formula for wave speed, which is v = fλ, where v is speed, f is frequency, and λ is wavelength.
  • Step 2: Write down the given values: frequency (f) = 10 Hz and wavelength (λ) = 2 m.
  • Step 3: Substitute the values into the formula: v = 10 Hz * 2 m.
  • Step 4: Calculate the speed: v = 20 m/s.
  • Wave Speed Calculation – The speed of a wave can be calculated using the formula v = fλ, where v is speed, f is frequency, and λ is wavelength.
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