Problem 2: A Helium-Neon laser gives a wavelength of 633 nm and has a power of...

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science physics

Answer 1

Answer #1

e Given, wave length of He-Ne laser = 633 nm & Power = 20 milli Walt a MERHATIAN TERRIT frequency of laser light, w e - 2= 3x

AW AVANT > n = 20 X 103 __(6.63 X10-34) ( 4.74x104) In = 6.364 x 100 Hence sec number of = 6.36 X photon . emitted lo per U L

Answer 2

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