Physics, 20.04.2021 06:40 deaishaajennings123
A laser pulse of duration 25 ms has a total energy of 1.4 J. The wavelength of this radiation is
567 nm. How many photons are emitted in one pulse? Let 1 eV = 1.60 x 10-19 J, the mass of
an electron m=9.11 10-31
kg, the speed of light c= 3.00 x 108 m/s, and Planck's constant h
= 4.136 10-15 eV .s.
Answers: 2
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A laser pulse of duration 25 ms has a total energy of 1.4 J. The wavelength of this radiation is...
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