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Calculate the energy of a photon whose w...

Calculate the energy of a photon whose wavelength is `3.864xx 10^(-7)` m.

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`E=hv=(hc)/(lamda)` `h=6.626xx10^(-34)Js` `c=3.0xx10^(8)ms^(-1)`
`=(6.626xx10^(-34)xx3xx10^(8))/(3.864xx10^(-7))` `lamda=3.864xx10^(-7)m`
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