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Question
2 applications of reflection of sound ?
NOTE THAT IT IS REFLECTION NOT MULTIPLE REFLECTION .
NOTE THAT IT IS REFLECTION NOT MULTIPLE REFLECTION .
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Solution
(i) Reflection of sound is used to measure the distance and speed of underwater objects. This method is known as SONAR.
(ii) Working of a stethoscope is also based on reflection of sound. In a stethoscope, the sound of the patient’s heartbeat reaches the doctor’s ear by multiple reflection of sound.
(i) Reflection of sound is used to measure the distance and speed of underwater objects. This method is known as SONAR.
(ii) Working of a stethoscope is also based on reflection of sound. In a stethoscope, the sound of the patient’s heartbeat reaches the doctor’s ear by multiple reflection of sound.
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