What frequency corresponds to a 1-wavelength length of 1872 ft?

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Master the AN/PRC-160 and AN/PRC-163 Radio Operations Test. Utilize flashcards and multiple choice questions, each with hints and explanations. Ace your exam!

Multiple Choice

What frequency corresponds to a 1-wavelength length of 1872 ft?

Explanation:
Wavelength and frequency are inversely related by f = c/λ, where c is the speed of light (about 3.00×10^8 m/s in free space). Convert the given wavelength to meters: 1872 ft × 0.3048 m/ft ≈ 570.6 m. Then the frequency is f ≈ (3.00×10^8 m/s) / 570.6 m ≈ 5.25×10^5 Hz, i.e., about 525 kHz. The numbers in the options are frequencies expressed as feet, not frequencies, so they don’t match the required frequency. The key idea is converting units and applying f = c/λ to get the frequency.

Wavelength and frequency are inversely related by f = c/λ, where c is the speed of light (about 3.00×10^8 m/s in free space). Convert the given wavelength to meters: 1872 ft × 0.3048 m/ft ≈ 570.6 m. Then the frequency is f ≈ (3.00×10^8 m/s) / 570.6 m ≈ 5.25×10^5 Hz, i.e., about 525 kHz. The numbers in the options are frequencies expressed as feet, not frequencies, so they don’t match the required frequency. The key idea is converting units and applying f = c/λ to get the frequency.

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