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What is the frequency of light that has a wavelength of 4.25 x 10-8 meters meters?
Wiki User
∙ 11y ago
Since, frequency, f = c / λ
Then, λ = 405 x 10-6 cm = 4.05 x 10-10 m
Speed of light c = 299,792,458 m/s
Therefore, frequency f = 299,792,458 m/s / 4.05 x 10-10 m = 740,228,291,358,024,691 Hz = 7.40 x 1017 Hertz.
Wiki User
∙ 11y ago
lenpollock
speed of light = wavelength(m) X frequency (^-s)
Speed of light in a vacuum is 3.0 x 10^-8 ms^-1
Wavelength = 5.23 x 10^-7 m
Hence frequency(^-s) = speed of Light (ms^-1) / wavelength (m)
Hence frequency = 3.0 x 10^8 ms^-1 / 5.23 x 10^-7 m
frequency (^s-1) = 5.74 x10^(14) (^s-1)
NB This unit is naned Hertz (Hz)
Hence
frequency = 5.74 x 10^(14) Hz.
Wiki User
∙ 10y agoFrequency = speed / wavelength = 3 x 108/4.5 x 10-4 = 62/3 x 1011 Hz = 6662/3 GHz
A D
Wiki User
∙ 14y agoFor any wave, (speed) = (wavelength) x (frequency). So, just divide the speed of light - about 300 x 10^6 (m/s)- by the wavelength.
Wiki User
∙ 11y ago27.759 MHz
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