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(B) In a stationary wave,the amplitude of vibration of particles depends on their position $x$. The amplitude is given by $A(x) = 2a \sin(kx)$. Thus,t

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Amplitude varies,phase difference is $0$ or $\pi$

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(B) In a stationary wave,the amplitude of vibration of particles depends on their position $x$. The amplitude is given by $A(x) = 2a \sin(kx)$. Thus,the amplitude varies from point to point.All particles between two consecutive nodes vibrate in the same phase,meaning their phase difference is $0$.Particles in adjacent loops vibrate in opposite phases,meaning their phase difference is $\pi$ radians.Therefore,for particles in the same interval (between two consecutive nodes),the amplitude varies and the phase difference is $0$.

Write the amplitude and phase difference for all particles of the same interval for stationary waves.

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