Answer:
Solution

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Wave number (λˉ) = λ1
=5201nm−1
Wave number (λˉ) =1.92×10−3nm−1
Frequency (f)=λc
520×10−93×108 Hz
Frequency (f) =5.77×1014Hz
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Verified answer
Answer:
Solution

Verified by Toppr
Wave number (λˉ) = λ1
=5201nm−1
Wave number (λˉ) =1.92×10−3nm−1
Frequency (f)=λc
520×10−93×108 Hz
Frequency (f) =5.77×1014Hz