Question
What is the wavelength of radio waves of frequency 1400 kHz?
(a) 42.9
(b) 214
(c) 42.9
(d) 3*10^8
(a) 42.9
(b) 214
(c) 42.9
(d) 3*10^8
Answers
Henry
1400kHz = 1.4mHz.
L = VT = 300m/us * (1/1.4)us = 214m.
L = Wavelength.
V = Velocity of radio waves in air.
T = Time for 1 cycle or period.
us = Microseconds.
L = VT = 300m/us * (1/1.4)us = 214m.
L = Wavelength.
V = Velocity of radio waves in air.
T = Time for 1 cycle or period.
us = Microseconds.
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