NEET Questions Solved


A simple harmonic progressive wave is represented by the equation : y=8sin2π(0.1x2t) where x and y are in cm and t is in seconds. At any instant the phase difference between two particles separated by 2.0 cm in the x-direction is 

(1) 18°

(2) 36°

(3) 54°

(4) 72°

(4) From the given equation k=0.2π

2πλ=0.2πλ=10 cm

Δϕ=2πλΔx=2π10×2=2π5=72o

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