1.

(a) What is meant by the (a) 'pitch' of sound, and (b) 'quality' of sound? (b) What is ultrasound? State two uses of ultrasound.

Answer»

(a) What is meant by the (a) 'pitch' of sound, and (b) 'quality' of sound?

(b) What is ultrasound? State two uses of ultrasound.



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