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
1500 x 200000 = 1000000 x \(\lambda\)2
\(\lambda\)2 = 300m
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