Sample Problem 7.2
SOLUTION:
PLAN:
Calculating the Energy of Radiation from its Wavelength
After converting cm to m, we use the energy equation, E = hn combined with n = c/l to find the energy.
E = hc/l
E =
(6.626 x 10-34J.s)
(3.00 x 108 m/s)
1.20 cm
x
= 1.66 x 10-23 J
x
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