Time Period

by • 04/07/2012 • GeneralComments (0)401

Time Period

When an object is rotating in a circular path, the time taken by it to complete one revolution or cycle is called its time period, (T).

We know that

ω = Δθ / Δt OR Δt = Δθ / ω

For one complete rotation

Δθ = 2 π

Δt = T

Therefore,

T = 2 π / ω

If ω = 2πf …………………… {since f = frequency of revolution}

Therefore,

T = 2π / 2πf

=> T = 1 / f

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