1.Sound is produced due to
2.What type of waves are Sound Waves?
Latitudinal mechanical waves
3.The pitch of sound depends on
both of these
none of the these
4.Compressions are formed where air pressure is
5.Which of the following statement is or are correct about longitudinal mechanical waves?
The longitudinal mechanical waves which lie in the frequency range 20 Hz to 20000 Hz are called audible or sound waves
The longitudinal mechanical waves having frequencies less than 20 Hz are called infrasonic
The longitudinal mechanical waves having frequencies greater than 20,000 Hz are called ultrasonic waves
All of the above are correct
6.The Doppler effect is produced if
the source is in motion.
the detector is in motion.
both of the above.
none of the above
7. The source of a sound moves away from the listener. The listener has the impression that the source isuestion
lower in pitch
higher in amplitude
lower in velocity
8. Sonic shock waves are generated when the source of sound moves at a greater speed than the speed of sound in the medium.
Should be Empty: