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15.07.2022 - 07:33

AM radio signals broadcast electromagnetic radiation at frequencies between 590 kHz and 1.40 MHz. (a) What is the shortest wavelength of an AM radio signal? …. m (b) What is the longest wavelength

Question:

AM radio signals broadcast electromagnetic radiation at frequencies between 590 kHz and 1.40 MHz.

(a) What is the shortest wavelength of an AM radio signal? …. m

(b) What is the longest wavelength? …. m

Answers (0)

Kay April 1, 2023 в 11:16

(a) The shortest wavelength of an AM radio signal can be calculated using the formula ? = c/f where ? is the wavelength, c is the speed of light (3 x 10^8 m/s), and f is the frequency. Plugging in the values for the minimum and maximum frequencies of AM radio signals, we get: ? = c/f_min = 3 x 10^8 m/s / 1.40 x 10^6 Hz = 214.3 m Therefore, the shortest wavelength of an AM radio signal is 214.3 m. (b) Similarly, we can find the longest wavelength of an AM radio signal using the same formula: ? = c/f_max = 3 x 10^8 m/s / 590 x 10^3 Hz = 508.5 m Therefore, the longest wavelength of an AM radio signal is 508.5 m.

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