A Cordless Phone Operates At $900 \mathrm { MHz }$ What Is the Wavelength of the Electromagnetic Wave Used

question 46

Short Answer

A cordless phone operates at $900 \mathrm { MHz }$ . What is the wavelength of the electromagnetic wave used by this phone? $\left( c = 3.0 \times 10 ^ { 8 } \mathrm {~m} / \mathrm { s } \right)$

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