Calculate the energy in joule corresponding to light of wavelength \( 45 \mathrm{~nm}: \) (Planc...

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Calculate the energy in joule corresponding to light of wavelength \( 45 \mathrm{~nm}: \) (Plancks constant \( h=6.63 \times 10^{-34} \mathrm{Js} \); speed of light \( c=3 \times 10^{8} \mathrm{~ms}^{-1} \) )
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