write any two applications of reflection of sound
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(a) Reflection of sound is used to measure the distance and speed of underwater objects. This method is known as SONAR. (b) 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 reflections of sound.
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(a) Reflection of sound is used to measure the distance and speed of underwater objects. This method is known as SONAR. (b) 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 reflections of sound.
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