Equation of a plane progressive wave is given by y =0.6sin2π(t-x/2) . On reflection from a denser medium its amplitude becomes 2/3 of the amplitude of the incident wave. The equation of the reflected wave is(a) y =0.6sin2π(t+x/2)(b) y=-0.4sin2π(t+x/2)(c) y=0.4sin2π(t+x/2)(d) y=-0.4sin2π(t-c/2)

Equation of a plane progressive wave is given by y =0.6sin2π(t-x/2) .

1.	Equation of a plane progressive wave is given by y =0.6sin2π(t-x/2) . On reflection from a denser medium its amplitude becomes 2/3 of the amplitude of the incident wave. The equation of the reflected wave is(a) y =0.6sin2π(t+x/2)(b) y=-0.4sin2π(t+x/2)(c) y=0.4sin2π(t+x/2)(d) y=-0.4sin2π(t-c/2)
Answer» (d) y=-0.4sin2π(t-c/2)

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Equation of a plane progressive wave is given by y =0.6sin2π(t-x/2) . On reflection from a denser medium its amplitude becomes 2/3 of the amplitude of the incident wave. The equation of the reflected wave is(a) y =0.6sin2π(t+x/2)(b) y=-0.4sin2π(t+x/2)(c) y=0.4sin2π(t+x/2)(d) y=-0.4sin2π(t-c/2)

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