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प्रश्न
Wavelength λ and wave vector k are related by ______.
विकल्प
k = `(2pi)/lambda`
k = `(4pi)/lambda`
k = `(pi)/lambda`
k = `(pi)/(2lambda)`
MCQ
रिक्त स्थान भरें
उत्तर
Wavelength λ and wave vector k are related by `underline("k" = (2pi)/lambda)`.
Explanation:
The wave's spatial angular frequency, k, describes how many oscillations it completes per unit of space and is related to the wavelength by the equation `"k" = (2pi)/lambda`.
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