The fm station kdul broadcasts music at 99.1 mhz. find the wavelength of these waves (c = 3.0 × 108m/s).
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Ответ:
c = λν, where c is the speed of electromagnetic waves equal to 3×10⁸ m/s, λ is the wavelength, and ν is the frequency. The unit of frequency is s⁻¹ or Hertz. 1 Hertz = 1000 mHz, thus 3 mHz = 0.003 Hz. Substituting the values:
3×10⁸ m/s = (λ)(0.003 Hz)
λ = 1×10¹¹ m
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