Explain two application of reflection of sound
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We all are familiar with the concept of reflection of sound. We can observe this by a small activity. If we take two tubes and position them against a wall, as shown in the figure below, upon placing a speaker or any other source of sound near one end of the tube, we receive the sound at the end of the other tube. This activity proves that the surface of wall reflects the sound wave. In this section we shall learn more about the reflection of sound and its application in everyday life.
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Here are few:
1)Sound navigation and ranging (SONAR): In SONAR system ultrasounds are emitted by a transmitter, they are then reflected by the obstacle, after that they are received by the receiver. The time taken in the whole process is noted then the distance between the SONAR and the body can be found. It can even give an idea about the shape and size of the body.
2) Ultrasonography: It means imaging human organs using ultrasounds in the same manner as SONAR.
Hope it helps :)
1)Sound navigation and ranging (SONAR): In SONAR system ultrasounds are emitted by a transmitter, they are then reflected by the obstacle, after that they are received by the receiver. The time taken in the whole process is noted then the distance between the SONAR and the body can be found. It can even give an idea about the shape and size of the body.
2) Ultrasonography: It means imaging human organs using ultrasounds in the same manner as SONAR.
Hope it helps :)
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