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Physics GK · Q123

Sounds waves and Motion

Competitive Exams · Physics GK · question 123

Q123

A sound wave produced 40 crests and 40 troughs in 0.3 seconds. Find the frequency of the wave.

A.
120.40 Hz
B.
300 Hz
C.
133.33 Hz
Answer
D.
100 Hz

Answer: Option C

Solution

Answer: Option C
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