Question

What is the time period of a wave having frequency of 50 Hz?

• A. $0.02s$
• B. $0.20s$
• C. $2.0s$
• D. $20s$

Answer 1

The correct option is A $0.02s$

$\text{Time period}=\frac{1}{\text{frequency}}=\frac{1}{50}=0.02s$