Exam-style question
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If a pendulum has a period of 2 seconds, what is its frequency?.
- A.0.5 Hz
- B.1 Hz
- C.2 Hz
- D.4 Hz
Model answer
What a good answer should say
- 0.5 Hz
Explanation
Why this works
Using the relationship f = 1/T, where T = 2 seconds, the frequency f = 1/2 = 0.5 Hz. This shows how to convert period to frequency.
Common mistake
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