The wavelength of some orange light is 620.0 nm. What is the frequency of this orange light?

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Joëlle Share
Jun 25, 2016

Answer:

#4.839 *10^14 Hz#

Explanation:

Wavelength relates to frequency as follows:
# f = v/lambda#
in which #f# is the frequency, #v# is the speed of light, and #lambda# is the wavelength.

Filling this in for the example:

#v = 3 * 10^8 m/s#
#lambda = 620.0 nm = 6.20*10^-7 m#

#f = (3*10^8 m/s )/ (6.20*10^-7 m) = 4.839 * 10^14 s^(-1)#

So the frequency of the orange light is #4.839 *10^14 Hz#

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