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Question

Two simple harmonic motions are given by y1=asin[(π2)t+ϕ] and y2=bsin[(2π3)t+ϕ]. The phase difference between these after 1 s is:
  1. zero
  2. π/2
  3. π/4
  4. π/6

A
zero
B
π/4
C
π/2
D
π/6
Solution
Verified by Toppr

At t = 1 s
ϕ1=π2+ϕ
and ϕ2=2π3+ϕ
Δϕ=ϕ2ϕ1=π6

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