Question

An object is vibrating at 50 hertz. What is its time period?(a) 0.02 s (c) 0.2 s(b) 2 s (d) 20.0 sNCERT Class VIIIScience - Exemplar ProblemsChapter 13. Sound

Answer 1

a 0.02 coz frequency =1/Time period.
T=1/50=0.02

Answer 2

the answer is 0.2s as we know that f=1/t