Edexcel IGCSE Physics · Spec 3.27P
Finding Frequency with an Oscilloscope (Paper 2)
Covers set up a microphone and oscilloscope, Find the period from a trace and Calculate frequency using f = 1/T.
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Finding Frequency with an Oscilloscope (Paper 2)
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Spec 3.27P
What you need to know
- Set up a microphone and oscilloscope
- Find the period from a trace
- Calculate frequency using f = 1/T
Active recall
Quick check
Answer each question before opening the answer.
Why measure several cycles?
To reduce percentage uncertainty
How is total trace time found?
Divisions multiplied by time base
What frequency has period 0.002 s?
500 Hz
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