Question

does the sound follow same laws of reflection as a light does

Answer 1

Yes, the sound wave follows the same laws of reflection as the light does. The laws of reflection of sound are as follows:

The incident sound wave, the reflected sound wave and the normal at the point of incident, all lie in the same plane.

The angle of incidence of sound wave and angle of reflection of sound wave to the normal are equal.

When sound waves are reflected from a surface, the angle of incidence is equal to the angle of reflection to the normal and the incident wave, normal and reflected wave are in the same plane. This can be proved by experiment. Thus, sound wave obeys the laws of reflection.

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Answer 2

• SONAR stands for sonography Navigation and Ranging.

• This is a method of detecting and finding the distance of object under water by means of reflected ultrasonic waves.