The wave function of a sinusoidal wave generated in a string is given by: y(x,t) = 0.2 sin (2nx + 4nt + p). At t = 0, an element of the string at x = 0 has a vertical displacement of 0.2 m. The phase constant is: O p = -TL/4 Ο φ = π O 4 = 0 O y = π/2 O 4 = -1/2

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Interference of sound

Seiche

A seiche is an oscillating standing wave in a body of water. The term seiche pronounced saysh) can be understood by the sloshing of water back and forth in a swimming pool. The same phenomenon happens on a much larger scale in vast bodies of water including bays and lakes. A seizure can happen in any enclosed or semi-enclosed body of water.