Question

calculate the frequency of yellow radiation having a wavelength of 5800A°
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Answer 1

5.172  × 10¹⁴ Hz

Explanation:

λ = 5800 °A = 5.8 × 10⁻⁷ m    c = 3 × 10⁸ m/s

We know that,

f = c/λ

 = 3 × 10⁸/5.8 × 10⁻⁷

 = 5.172 × 10¹⁴ Hz