Computer the wavelength of the radio waves from the following stations. An AM station operating with a frequency of 780 KHz?
回答 (2)
Speed = Wavelength × Frequency
Wavelength
= Speed / Frequency
= (3.00 × 10⁸ m/s) / (780 × 10³ /s)
= 385 m
收錄日期: 2021-04-24 07:58:53
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