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Current Electricity

Question

A radio can tune in to any station in the 7.5 MHz to 12 MHz band. What is the corresponding wavelength band?

Solution

Given,
Frequency band of radio = 7.5 MHz - 12 MHz

$Wavelength, λ_{1} = \frac{c}{v_{1}} = \frac{3 \times 10^{8}}{7.5 \times 10^{6}} = 40 m Wavelength, λ_{2} = \frac{c}{v_{2}} = \frac{3 \times 10^{8}}{12 \times 10^{6}} = 25 m$

Therefore, the corresponding wavelength band is 40 m - 25 m.

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Current Electricity

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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