What is the wavelength of an FM radio signal if the number on the dial reads 99.7 MHz? The speed of light is 3 × 108 m/s. Answer in units of m.
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What is the wavelength of an FM radio signal
if the number on the dial reads 99.7 MHz?
The
Answer in units of m.
The wave speed (v) is defined as the distance traveled by a wave per unit time.
Speed v = λ/T
Frequency f =1/T
So wavelength =speed /frequency
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