What is the frequency of light emitted by a helium-neon laser with a wavelength of 632.8 nm? (#c = 3.00 x 10^8#)

1 Answer
Douglas K.
Mar 16, 2017

#f = 4.74xx10^14" Hz"#

Explanation:

Given: #lambda = 632.8xx10^-9" m"# and #c = 3.00xx10^8" m/s"#

Let #f = # the frequency

#f = c/lambda#

#f = (3.00xx10^8" m/s")/(632.8xx10^-9" m")#

#f = (3.00xx10^8" m/s")/(632.8xx10^-9" m")#

#f = 4.74xx10^14" Hz"#

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