A sound wave has a frequency of

PHYSICS · Single correct · A Level · Physics · Waves · Waves

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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