A shortwave receiver has "90-m band" written on one end of the dial and "11-m band" on the other. What range of frequencies does this radio receive? Take the speed of radio waves to be 3.00 × 10^8 m/s.
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The wavelength is denoted by d (units: m)
the speed of the wave is denoted ...
A calculation of the range of receivable frequencies by a specified radio.