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Find the wavelength of electromagnetic w...

Find the wavelength of electromagnetic waves of frequency `6times10^(12)Hz` in free space having speed of `3times10^(8)m/s` in free space. (a) `6times10^5m` (b) `5times10^-5m` (c) `2.5×10^5m` (d)`1.5×10^5m`

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