Describe how equipment in Figure 3 can be used to measure the wavelength, frequency and speed of a water wave - AQA - GCSE Physics Combined Science - Question 2 - 2019 - Paper 2
Question 2
Describe how equipment in Figure 3 can be used to measure the wavelength, frequency and speed of a water wave.
The equipment includes a ripple tank filled with wate... show full transcript
Worked Solution & Example Answer:Describe how equipment in Figure 3 can be used to measure the wavelength, frequency and speed of a water wave - AQA - GCSE Physics Combined Science - Question 2 - 2019 - Paper 2
Step 1
Wavelength Measurement
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Answer
To measure the wavelength, use a ruler to measure the distance between two consecutive wavefronts displayed on the screen.
Step 2
Frequency Measurement
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Answer
To measure the frequency, use a stopwatch to count the number of waves that pass a fixed point within one second. This count gives the frequency (f).
Step 3
Speed Calculation
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Answer
To determine the speed of the wave, apply the formula: v=f×λ, where v is the speed, f is the frequency, and λ is the wavelength.
