Q4 of 54 Page 389

Sound is produced by a vibrating source. Why then a vibrating pendulum does not produce any sound?

The audible range of a normal human being is 20 Hz to 20 KHz. But a vibrating pendulum does not produce sound in this range. So, we are not able to hear this.


More from this chapter

All 54 →
2

What is reverberation?

 3

What is SONAR?

 5

What is the audible range for a normal human being?

 6

Give Reasons for the Following:

Why sound waves are called mechanical waves?