MCQ
An object is vibrating at $50$ hertz. What is its time period?
  • $0.02 s$
  • B
    $0.2 s$
  • C
    $2 s$
  • D
    $20.0 s$

Answer

Correct option: A.
$0.02 s$

We know that
Frequency $=\frac{1}{\text{Time period}}$
$\Rightarrow $ Time period$=\frac{1}{\text{Frequency}}$
$\Rightarrow $ Time period$=\frac{1}{\text{50}}=0.02 \ \text{s}$

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