Calculate the wavelength, frequency, and wavenumber of lightwave whose period is 2.0 × 10-10 s.
Calculate the wavelength, frequency, and wavenumber of lightwave whose period is 2.0 × 10-10 s.
Asked by Shiksha User
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1 Answer
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Wavelength, λ = (3 × 108 ms-1) / (5 × 109 s-1) = 6.0 x 10-2 m
Frequency, ν = 1 / 2.0 × 10-10 s = 5.0 x 109 s-1
Wavenumber, (? ) = 1 / (6.0 x 10-2 m) = 16.66 m-1
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