The frequency of radiation with a wavelength | vedclass

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Question

(C) The relationship between frequency $
u$,speed of light $c$,and wavelength $\lambda$ is given by $
u = \frac{c}{\lambda}$.Given $\lambda = 5800 \

Vedclass · Accepted Answer

$5.17 	imes 10^{14}$

Vedclass · Answer

(C) The relationship between frequency $
u$,speed of light $c$,and wavelength $\lambda$ is given by $
u = \frac{c}{\lambda}$.Given $\lambda = 5800 \ \mathring{A} = 5800 	imes 10^{-10} \ m = 5.8 	imes 10^{-7} \ m$.The speed of light $c = 3 	imes 10^8 \ m/s$.Substituting the values: $
u = \frac{3 	imes 10^8 \ m/s}{5.8 	imes 10^{-7} \ m} \approx 5.17 	imes 10^{14} \ s^{-1}$.

The frequency of radiation with a wavelength of $5800 \ \mathring{A}$ is ... $s^{-1}$.

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