Question

The frequency of a source of sound is $100Hz$. How many times does it vibrate in a minute?

• A. $6000times$
• B. $600times$
• C. $1000times$
• D. $100times$

Answer 1

The correct option is A

$6000times$

Frequency= 100 Hz (given)
This means the source of sound vibrates:
$100timesinonesecond$
Therefore, number of vibrations in:
1 minute, i.e. in 60 seconds = $100\times 60=6000$ times