Question

if the time period of a wave is 0.004 s find the frequency of the wave!!

Answer 1

Question:

If the time period of a wave is 0.004 s find the frequency of the wave.  

Answer:

250 Hz

Explanation:

We know,  

◙ Frequency is the reciprocal of time period.

$\sf{F=\dfrac{1}{T} }$

Given,

T = 0.004 secs

Putting the values :-

$\sf{\hookrightarrow F= \dfrac{1}{0.004} }\\\\\boxed{\sf{\hookrightarrow F= 250\ Hz }}$

Hence, the frequency of the wave is 250 Hz.

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Answer 2

Answer:

Frequency is the reciprocal of time period. Hence, the frequency of the wave is 250 Hz.