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A radio can tune in to any station in the 7.5 MHz to 12 MHz band. What is the corresponding wavelength band ? |
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Answer» Solution :`c=v_(max)lambda_(MIN)rArr rArr lambda_(min)=(c )/(v_(max))` `therefore lambda_(max)=(3xx10^(8))/(12xx10^(6))=25M` `c=v_(min)lambda_(max)rArr lambda_(max)=(c )/(v_(min))` `therefore lambda_(max)=(3xx10^(8))/(7.5xx10^(6))=40 m` Required range of WAVELENGTH, `= lambda_(min)` to `lambda_(max)=25m` to 40 m |
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