f = c/λ
f = 2.998 x 108 m/s / 0.1346 m = 2,229,000,000 Hz
2,229,000,000 Hz * (1 MHz / 1,000,000 Hz) = 2,229 MHz
Hope this helps!

Emma L.
asked 12/10/20Compute the frequency (in MHz) of an EM wave with a wavelength of 5.3 in. (0.1346 m).
f = c/λ
f = 2.998 x 108 m/s / 0.1346 m = 2,229,000,000 Hz
2,229,000,000 Hz * (1 MHz / 1,000,000 Hz) = 2,229 MHz
Hope this helps!
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Aaron L.
velocity = frequency x wavelength Therefore frequency = velocity / wavelength Remember that for an EM wave, velocity is always the speed of light. This means that frequency = c / wavelength Remember the units for c and wavelength must match appropriately.12/11/20