The wavelength of signals from a radio transmit... - JAMB Physics 1995 Question
The wavelength of signals from a radio transmitter is 1500mm and the frequency is 200kHz. What is the wavelength for a transmitter operating at 100kHz?
A
7500m
B
300m
C
75m
D
15m
correct option: b
(\lambda)1F1 = (\lambda)2F2
1500 x 200000 = 1000000 x (\lambda)2
(\lambda)2 = 300m
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