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  • What will be the frequency of light emitted from a sodium lamp that has a wavelength (λ) of 580 nm ?

What will be the frequency of light emitted from a sodium lamp that has a wavelength (λ) of 580 nm ?

Answers (1)

λ = 580 nm = 580×10-9 m

frequency (ν) = c/λ = 3.0×108 ms-1/580×10-9 m = 5.17×1014 s-1

wave number (á¹½) = 1/λ = 1/580×10-9 m = 1.72×106 m-1

Posted by

Sumit Saini

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