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ppk ppk
wrote...
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Posts: 3561
12 years ago
A photon has energy of 4.20 eV. To what wavelength does this energy correspond?
A) 321 nm
B) 103 nm
C) 296 nm
D) 412 nm
E) 420 nm
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duddyduddy
wrote...
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Posts: 7819
12 years ago
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