Q58 of 199 Page 207

What is the difference between infrasonic waves and ultrasonic waves?

The range of the frequency of infrasound is below 20Hz. Where as the range of the frequency of the ultrasound is above 20KHz.


More from this chapter

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56

Draw a labelled diagram to show the multiple reflections of sound in apart of the stethoscope tube.

 57

What is the range of frequencies associated with

(a) infrasound


(b) audible sound, and range of the frequeny

 58

Choose the infrasonic waves and ultrasonic waves from the following frequencies:

(i) 10,000 Hz (ii) 30,000 Hz


(iii) 18 Hz (iv) 50,000 Hz


(v) 10 Hz

 59

What is the frequency range of hearing in humans?