Two points are located at a distance of 10 m and 15 m from the source of oscillation. The period of oscillation is 0.05 s and the velocity of the wave is 300 m/s. What is the phase difference between the oscillations of two points?

(a) π3

(b) 2π3

(c) π

(d) π6

Concept Videos :-

#1 | Introduction to Wave
#2 | Propogation of Wave Pulse & Wave
#3 | Wave Function
#4 | Derivation of Wave Equation
#5 | Wave Equation
#28 | Question Set1: Equation of Wave
#29 | Question Set2: Properties of Wave
#30 | Question Set3: Wave Pulse & Wave Length
#34 | Question Set7: Misc.1

Concept Questions :-

 

Phase difference =2πλ×path difference 

path difference between two points, x=15-10=5m

Time period, T=0.05 s

   frequency v=1T=10.05=20HzVelocity,v=300 m/s  Wavelength, λ=vv=30020=15m Hence,phase difference       ϕ=2πλ×x            =2π15×5=2π3

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