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3. The energy of a photon is given by
E = hf
, where
h
is the Planck constant and
f
is the
frequency. The wavelength
λ
is related to the frequency by
λ
f = c
, so
E = hc
/
λ
. Since
h
=
6.626
×
10
–34
J·s and
c
= 2.998
×
10
8
m/s,
hc
=
×⋅
×
×
=⋅
−
−−
6 626 10
2 998 10
1602 10
10
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This note was uploaded on 06/03/2011 for the course PHY 2049 taught by Professor Any during the Spring '08 term at University of Florida.
 Spring '08
 Any
 Physics, Energy, Photon

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