Sound-Important Questions

1.   How can we distinguish one sound from another having the same pitch and loudness?

2.   What is the audible range of frequency for human beings?

3.   What is �note� of sound?

4.   Find the frequency of a wave whose time period is 0.002 second.

5.   What is crest and trough?

6.   What do we don�t get echo in small room?

7.   What is the function of middle ear?

8.   What us ultrasonic and infrasonic sound waves?

9.   What is SONAR?

10.   Define wave-motion.