For the harmonic travelling wave y = 2 cos 2π (10t–0.0080x + 3.5) w

1.	For the harmonic travelling wave y = 2 cos 2π (10t–0.0080x + 3.5) where x and y are in cm and t is second. What is the phase difference between the oscillatory motion at two points separated by a distance of(a) 4 m(b) 0.5 m(c) λ/2(d) 3λ/4 (at a given instant of time)(e) What is the phase difference between the oscillation of a particle located at x = 100cm, at t = T s and t = 5 s?
Answer» (a) 6.4π radian, (b) 0.8π radian, (c) π radian, (d) 3π /2 radian, (e)80π radian.

For the harmonic travelling wave y = 2 cos 2π (10t–0.0080x + 3.5) where x and y are in cm and t is second. What is the phase difference between the oscillatory motion at two points separated by a distance of(a) 4 m(b) 0.5 m(c) λ/2(d) 3λ/4 (at a given instant of time)(e) What is the phase difference between the oscillation of a particle located at x = 100cm, at t = T s and t = 5 s?

Answer»

(a) 6.4π radian,

(b) 0.8π radian,

(d) 3π /2 radian,

(e)80π radian.

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