46. A cordless phone operates at 900 MHz. What is the associated wavelength of its emitted electromagnetic radiation? A. 900 m B. 300 m C. 1.7 m D. 3 x 10^8 m E. 0.33 m
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The speed of light (c) is approximately 3 * 10^8 m/s. We need to find the wavelength (λ). Rearrange the formula to solve for λ: λ = c / f Now, plug in the given values: Show more…
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