Physics

Physics

Problem

A sound wave has a frequency of 250 Hz250\,\text{Hz}. What is its time period? a) 0.004 s0.004\,\text{s} b) 0.04 s0.04\,\text{s} c) 0.004 ms0.004\,\text{ms} d) 0.002 s0.002\,\text{s}

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