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3 cards from this section. Quick, good the night before a test.
Define Period in the context of waves.
Think about how long it takes for the wave to go up and down once.
What is the unit of frequency?
Consider how we count things that happen every second.
What is the relationship between frequency and period?
Think about how often waves appear in relation to time.
True or False: Angular frequency is measured in Hertz.
Recall the unit of angular frequency.
A sound wave travels with a frequency of 440 Hz. Calculate its period and angular frequency.
Use the standard formulas for period and angular frequency.
You have a wave with a period of 0.5 seconds. What is the frequency and angular frequency?
Remember to use the reciprocal for frequency and the formula for angular frequency.
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