White some applications of reflection of sound waves.

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Applications of reflection of sound waves:
Sound boards: Curved surfaces can reflect sound waves. This reflection of sound waves is used in auditorium to spread the waves uniformly throughout the hall.
Reflection of sound waves is done by using Sound Boards. The speaker is located at the focus of the sound board.
Reflection of sound is used to measure the speed and distance of underwater objects. This method is called SONAR.
Working of a stethoscope – the sound of patient’s heartbeat reaches the doctor’s ear through multiple reflections of sound.

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