Which of the following expresses the period of a periodic wave in terms of its frequency ?

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Problem

Which of the following expresses the period

T

of a periodic wave in terms of its frequency

f

? (a)

T = \dfrac{2\pi}{f}

(b)

T = \dfrac{1}{2\pi f}

(c)

T = \dfrac{1}{f}

(d)

T = \dfrac{1}{2 f}