What is the TIME PERIOD of a sound wave with frequency 100 Hz?
A0.1 s
B1 s
C0.01 s
D100 s
Answer & Solution
Correct answer: C. 0.01 s
T = 1/ν = 1/100 = 0.01 s. So one oscillation cycle takes 0.01 seconds — meaning 100 cycles complete every second.
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