Wavelength = 1.8 cm. time for complete wave = period = 1.8 × 10 milliseconds / cm = 18 milliseconds = 1.8 × 10-2 seconds.
Frequency ‘f’, is given by f = 1 / T = 1 / 1.8 × 10-2 = 100 / 1.8 = 56 Hz.
Mutiso answered the question on October 16, 2018 at 18:47
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