Answer
2.067 J
Work Step by Step
We find:
$E_{k}=h\nu-h\nu_{0}=h\frac{c}{\lambda}-h\nu_{0}$
$=6.626\times10^{-34}\,J\cdot s\times(\frac{3.00\times10^{8}\,m/s}{400.0\times10^{-9}\,m}-4.38\times10^{14}\,s^{-1})$
$=2.067\,J$
General Chemistry (4th Edition)
by McQuarrie, Donald A.
Published by
University Science Books
ISBN 10:
1891389602
ISBN 13:
978-1-89138-960-3
Chapter 4 Early Quantum Theory - Problems - Page 133: 29
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