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  • An electron and a photon each have a wavelength of 1.00 nm.(b) Find the energy of a photon

Q: 11.16 (b) An electron and a photon each have a wavelength of  1.00\hspace{1mm}nm . Find the energy of the photon.

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The energy of the photon is given by

\\E=\frac{hc}{\lambda }\\

h is the Planks constant, c is the speed of the light and lambda is the wavelength

E=\frac{6.62\times 10^{-34}\times 3\times 10^{8}}{10^{-9}}\\

E=1.86\times 10^{-16}\ J

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