Q.

Given that, y=Asin2πλct−x,  where y and x are measured in metre. Which of the following statements is true?

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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  ct−x is same as that of  2πλ

answer is A.

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Detailed Solution

λ is wavelength having dimensions of length similar to x and A
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Given that, y=Asin2πλct−x,  where y and x are measured in metre. Which of the following statements is true?