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If a sound wave has a frequency of 440 Hz, what is its period?
If a sound wave has a frequency of 440 Hz, what is its period?
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Practice Questions
1 question
Q1
If a sound wave has a frequency of 440 Hz, what is its period?
0.00227 s
0.0045 s
0.01 s
0.1 s
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The period (T) is the inverse of frequency (f); T = 1/f = 1/440 ≈ 0.00227 s.
Questions & Step-by-step Solutions
1 item
Q
Q: If a sound wave has a frequency of 440 Hz, what is its period?
Solution:
The period (T) is the inverse of frequency (f); T = 1/f = 1/440 ≈ 0.00227 s.
Steps: 5
Show Steps
Step 1: Understand that frequency (f) is how many times a wave repeats in one second. In this case, the frequency is 440 Hz.
Step 2: Know that the period (T) is the time it takes for one complete wave to pass a point. It is the inverse of frequency.
Step 3: Use the formula for period: T = 1/f.
Step 4: Substitute the frequency into the formula: T = 1/440.
Step 5: Calculate the value: T ≈ 0.00227 seconds.
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