Question

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Answer 1

Answer:

1)The angle of reflection is always equal to the angle of incidence . The reflected sound, the incident sound, and the normal sound belong in the same plane.

2)A reverberation, or reverb, is created when a sound or signal is reflected causing numerous reflections to build up and then decay as the sound is absorbed by the surfaces of objects in the space – which could include furniture, people, and air.

3)Sonar works by sending out sound waves and measuring how long it takes for the echo to return. If the water is shallow, sound waves that reflect off the bottom of the ocean will return faster than in deep sea. ... Ships and submarines also use sonar to navigate at sea.

Answer 2

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