p39_033 - 33. (a) The x-ray frequency is f= c 2.998 108 m/s...

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33. (a) The x-ray frequency is f = c λ = 2 . 998 × 10 8 m / s 35 . 0 × 10 12 m =8 . 57 × 10 18 Hz . (b) The x-ray photon energy is E = hf =(4 . 14 × 10 15 eV · s)(8 . 57 × 10 18 Hz) = 3 . 55 × 10 4 eV . (c) From Eq. 39-7,
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