A harmonic wave having wavelength lemda = 6 m propagates along positive x direction on a long tight string. The displacement (y) of a particle at x = 2 m varies with time (t) as shown in the graph A harmonic wave having wavelength lemda = 6 m propagates along positive x direction on a long tight string. The displacement (y) of a particle at x = 2 m varies with time (t) as shown in the graph September 4, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related