You must have seen the doctor checking the sounds produced in the chest or heartbeat of a patient using a medical instrument called Stethoscope. On what principle does this Stethoscope work?
A. Multiple refractions
B. Multiple reflections
C. Wave motion
D. None of these
Answer:B
You must have seen the doctor checking the sounds produced in the chest or heartbeat of a patient using a medical instrument called Stethoscope. On what principle does this Stethoscope work?
A. Multiple refractions B. Multiple reflections C. Wave motion D. None of these