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How many photons of light having a wavelength of 656 nm are necessary to provide 1.0 J of energy? ()31x10% ()3.0x101 () 2.8x10%7 @) 3.3

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How many photons of light having a wavelength of 656 nm are necessary to provide 1.0 J of energy? ()31x10% ()3.0x101 () 2.8x10%7 @) 3.3 x1018 ()35x1028 Question 10 (1 point) Calculate the longest wavelength (in nm) of light emitted by an excited hydrogen atom in which the electron occupies the energy level n = 6. () 1542 2148 3894 () 7459 () 9025

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