What is the energy (in joules) of an ultraviolet photon with wavelength 100 nm? Express your answer using two significant figures. What is its frequency?
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e=hv
E=3*10^15*6.67*10^-34
E=20.01*10^-19
E=3*10^15*6.67*10^-34
E=20.01*10^-19
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