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Sahay Sir > Question Answers > Cengage JEE Mains Physics by B.M Sharma > Chapter 16 - Waves and Acoustics > A wave motion has the function Y = a0 ​ sin(ωt−kx). The graph in the figure shows how the displacement y at a fixed point varies with time t. Which one of the labeled points shows a displacement equal to that at the position x=π/2k at time t=0

A wave motion has the function Y = a0 ​ sin(ωt−kx). The graph in the figure shows how the displacement y at a fixed point varies with time t. Which one of the labeled points shows a displacement equal to that at the position x=π/2k at time t=0

For the wave shown in figure write the equation of this wave if its position is shown at t=0. Speed of wave is v=300 m/s.