Question

Doctors use stethoscope to check heart beats of the patient.On which principle does it work?/​

Answer 1

Answer:

The doctor can check your heart and valve health and hear your heart's rate and rhythm by listening to those sounds.A stethoscope is used to examine any patient physically. This is a medical instrument. Through this doctors listen to the sounds of beating heart and other sounds also produced within anyone's body. So, this stethoscope works on the principle of multiple reflection.

Answer 2

Answer:

If the diaphragm is placed on the patient, body sounds vibrate the diaphragm, creating acoustic pressure waves which travel up the tubing to the listener's ears. If the bell is placed on the patient, the vibrations of the skin directly produce acoustic pressure waves traveling up to the listener's ears