Question

Calculate the time period for tuning fork frequency of $0.0025Hz$.

• A. $40s$
• B. $4000s$
• C. $400s$
• D. $4s$

Answer 1

The correct option is C

$400s$

Given: frequency $f$ = $0.0025Hz$

We know that, Timeperiod $T$ = $\frac{1}{f}$

So, $T$ = $\frac{1}{0.0025}$

Therefore, $T=400s$