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Questions  

Given that y=Asin2πλ(ct-x) where y and x are measured in meters. Which of the following statements is true?

a
The unit of λ is same as that of x and A
b
The unit of λ is same as that of x ∣ but not of A
c
The unit of C is same as that of 2πλ
d
The unit of (c t-x) is same as that of 2πλ

detailed solution

Correct option is A

∵2πxλ is dimensionless∴[λ]=[x]=[L]=[A]

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