State any two uses of sound reflection.
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Reflection of sound is used to measure the distance and speed of underwater objects. ... In a stethoscope, the sound of the patient's heartbeat reaches the doctor's ear by multiple reflections of sound. The working of a hearing aid is based on the reflection of sound.
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Explanation:
Used in Stethoscope by doctors
The sound of the patient's heartbeat reaches the doctor's ear by multiple reflections of sound.
Used in Megaphone, Loudhailer, Horns.
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