Given that y = A `sin((2pi)/(lamda) (ct - x))` . Where y and x are measured in metres. Which of the following statements is true?

Options

A. The unit of `lamda` is same as that of x and A
B. The unit of `lamda` is same as that of x but not of A
C. The unit of c is same as that of `2pi//lamda`
D. The unit of (ct - x) is same as that `2pi//lamda`

Answer

A

Explanation

The unit of `lamda` is same as that of x and A