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The lamp of a lighthouse turns once every 15 s. What is… | StemPy Lab
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The lamp of a lighthouse turns once every 15 s. What is the frequency of its turning?
Physics
Easy
High School (11–12)
Waves & Sound › Oscillations and Simple Harmonic Motion
Board Exam
Created by
StemPy Lab
The lamp of a lighthouse turns once every
15
s
15\ \text{s}
15
s
. What is the frequency of its turning?
4
Hz
4\ \text{Hz}
4
Hz
1
30
Hz
\tfrac{1}{30}\ \text{Hz}
30
1
Hz
15
Hz
15\ \text{Hz}
15
Hz
1
15
Hz
\tfrac{1}{15}\ \text{Hz}
15
1
Hz
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