Question

Numerical :

Find time period if frequency is i) 169Hz ii)225Hz
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Answer 1

Answer:

For frequency 169 Hz, Time period = 0.0059 s

For frequency 225 Hz, Time period = 0.0044 s

Explanation:

Given,

Frequencies = 169 Hz and 225 Hz

To find: Time period

Concept involed: Frequency is the number of oscillations per second.

and, Time period is the time taken to complete on oscillation.

Solution:

The relation between Frequency and time period is given as:

Time period = 1 / Frequency

or, T = 1 / f

if f = 169 Hz,

T = 1 / 169 = 0.0059 second

and, if f = 225 Hz

T = 1 / 225 = 0.0044 second

Answer 2

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