Question

What is the period of vibration for a wave with a frequency of 100 hertz?

A. 100 seconds
B. 10 seconds
C. 0.1 seconds
D. 0.01 seconds

Answer 1

$Given:\\f=100Hz\\\\Find:\\T=?\\\\Solution:\\\\f= \frac{n}{t} \wedge T= \frac{t}{n} \Rightarrow T= \frac{1}{f} \\\\T= \frac{1}{100Hz} =0.01s\\\\Answer\;\;D$