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A infrared photon has a frequency of 4,166. GHz. What is its wavelength in centimeters (cm)?

A infrared photon has a frequency of 4,166. GHz. What is its wavelength in centimeters (cm)?
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Answer #1

frequency   = 4166 GHz

                    = 4166 x 10^9 Hz

C = light velocity = 3 x 10^10 cm/sec

wavelength = light velocity / frequency

                     = ( 3 x 10^10 cm / sec ) / ( 4166 x 10^9 / sec)

                     = 7.20 x 10^-3 cm

wave length = 7.20 x 10^-3 cm

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