Calculate (a) frequency and (b) wave-number of yellow radiation having wavelength $5800 o A$ .

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Solution

Wavelength of light $= 5800 \times 10^{- 10} m$

frequency $= \frac{C}{w a v e l e n g t h} = \frac{3 \times 10^{8}}{5800 \times 10^{- 10}} = 0.05 \times 10^{16}$

wave no.is reciprocal of wavelength wave no. =

$\frac{1}{w a v e l e n g t h} = 0.017 \times 10^{8} m^{- 1}$

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Similar questions

Calculate (a) wavenumber and (b) frequency of yellow radiation having wavelength 5800 $˚ A$ .

480 n m

5800 λ .

(172400 c m^{- 1}, 5.172 \times 10^{14} cycles s^{- 1})

3 \times 10^{7} \circ A

3 \times 10^{- 11} c m

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