Consider the wave equation y = 5mm sin [1cm\(^{-1}\)x - 60s\(^{-1}\)t]. The wave number is?
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Correct Answer: Option C
Explanation:
The angular wave number k = \(\frac{2π}{λ}\) expresses the number of radians in a unit of distance.
The angular wave number k = \(\frac{2π}{λ}\) expresses the number of radians in a unit of distance.