Question

Use the Bohr model to find the second longest wavelength of light in the Balmer series for a doubly-ionized Li atom (Z = 3).
Light with a wavelength of 145 nm is shined on to the surface of platinum metal. What is the maximum speed of the ejected pho
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Answer #1

2+ o in balmer series for Lé ion (2-3) R=1.097 2107 mt IZR | pe or more ha for second dongest wavelength, n= 4. á = 3x 1.0972 2 14.5x109 m. - 4-5 nm 3 VE 3710 0&mls frequency 3x108 145810-9 re=2.069x105 Hz work function, do 6.35 ev 디 6. 35x1.6 XIO o

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