Give two practical applications of reflection of sound waves.
(N/A) $1$. $SONAR$ ($Sound$ $Navigation$ $And$ $Ranging$): This technique uses the reflection of ultrasonic sound waves to measure the speed,distance,and direction of underwater objects like submarines or icebergs.
$2$. Stethoscope: This medical instrument works on the principle of multiple reflections of sound. The sound of a patient's heartbeat or lungs is channeled through a tube to the doctor's ears via repeated reflections within the tube walls.
$2$. Stethoscope: This medical instrument works on the principle of multiple reflections of sound. The sound of a patient's heartbeat or lungs is channeled through a tube to the doctor's ears via repeated reflections within the tube walls.
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