Question

calculate the wave no. and frequency of radiations having wavelength 5800A
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Answer 1

Answer:

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Answer 2

Answer:    

  ν = 5.17 × 10¹⁴ s⁻¹          

     V = 1.724 × 10⁶

Explanation:

Wavelength = 5800 A° = 5800× 10⁻¹⁰m - λ

speed of light = 3 × 10⁸ m/s - c

frequency - ν

wave number - V

Speed of light = wavelength × frequency

c = λν

ν = c / λ

ν = 3 × 10⁸ / 5800× 10⁻¹⁰

ν = 5.17 × 10¹⁴ s⁻¹

wave number - V = 1 / λ

                             = 1 / 5800 × 10⁻¹⁰

                             = 0.0001315 × 10¹⁰

                              =  1.724 × 10⁶