how are multiple Reflection of sound helpful to doctors and engineer s
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In stethoscope, the sound of patient's heartbeat is guided along the tube of the stethoscope to the doctors ear by multiple reflections of sound. ... Horns, musical instruments such as trumpets and sehnais, loudhailers (megaphones), loudspeakers, etc., are all design to keep sound from spreading in all directions.
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Stethoscope is a medical instrument used for listening to sounds produced within the body chiefly in heart or lungs.in stethoscope the sound of the patients heart beat reaches the doctors ears by multiple reflection and by amplifying sound.
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