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A wave has a wavelength of 0.5 m and a frequency of 300 Hz. What is its speed? (

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Question: A wave has a wavelength of 0.5 m and a frequency of 300 Hz. What is its speed? (2020)

Options:

  1. 150 m/s
  2. 300 m/s
  3. 600 m/s
  4. 1200 m/s

Correct Answer: 150 m/s

Exam Year: 2020

Solution: 

Speed (v) = frequency (f) × wavelength (λ) = 300 Hz × 0.5 m = 150 m/s.

A wave has a wavelength of 0.5 m and a frequency of 300 Hz. What is its speed? (

Practice Questions

Q1
A wave has a wavelength of 0.5 m and a frequency of 300 Hz. What is its speed? (2020)
  1. 150 m/s
  2. 300 m/s
  3. 600 m/s
  4. 1200 m/s

Questions & Step-by-Step Solutions

A wave has a wavelength of 0.5 m and a frequency of 300 Hz. What is its speed? (2020)
  • Step 1: Identify the formula for wave speed, which is Speed (v) = frequency (f) × wavelength (λ).
  • Step 2: Write down the given values: frequency (f) = 300 Hz and wavelength (λ) = 0.5 m.
  • Step 3: Substitute the values into the formula: v = 300 Hz × 0.5 m.
  • Step 4: Calculate the result: 300 × 0.5 = 150.
  • Step 5: Write the final answer: The speed of the wave is 150 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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