Question

The frequency of sound is $500Hz$, How many times does this vibrate in a minute?

• A. $30000$
• B. $300$
• C. $30$
• D. $8.33$

Answer 1

The correct option is A $30000$

Frequency of sound $=500Hz$
Therefore No of times the source of sound vibrate in $1s=500$
No of times the source vibrates in a minute or $60s=500x60=30,000$