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Question

Two sound waves having a phase difference of 60 have a path difference of

A
2λ
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B
λ/2
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C
λ/6
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D
λ/3
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Solution

The correct option is C λ/6
Phase difference δ=60o=60×π180 radian

δ=π3 radian

Let path difference be Δx

Using δ=2πλ×Δx

π3=2πλ×ΔxΔx=λ6

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