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What frequency of light has a wavelength of 1.40 cm? Report your answer in gigahertz (GHz).

What frequency of light has a wavelength of 1.40 cm? Report your answer in gigahertz (GHz).

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Answer #1

    = 1.4cm

C    = 3*10^10cm/sec

C   = v

v    = C/

    = 3*10^10/1.4     = 2.143*10^10 Hz

                                = 21.43*10^9 Hz

                               = 21.43 GHz

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