20) Energy of a photon with a wavelength of 450nm isa) 4.36x10-12 ergs

1.	20) Energy of a photon with a wavelength of 450nm isa) 4.36x10-12 ergsb) 4.36x10-13ergsc) 4.36x10-20 ergsd) 4.36x10-11ergs
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20) Energy of a photon with a wavelength of 450nm isa) 4.36x10-12 ergsb) 4.36x10-13ergsc) 4.36x10-20 ergsd) 4.36x10-11ergs

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here's your ANSWER...