alleryCalculate the time period of a sound of frequency 50 Hz:
A0.5 s
B0.002 s
C50 s
D0.02 s
Answer & Solution
Correct answer: D. 0.02 s
Time period T = 1 / ν = 1 / 50 Hz = 0.02 s.
**So one full oscillation of a 50 Hz wave takes 0.02 seconds — meaning fifty oscillations occur every second.**
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