1.

A radio can tune to any station in 6 MHz to 10 MHz band. The value of corresponding wavelength bandwidth will be :(A) 4 m(B) 20 m(C) 30 m(D) 50 m

Answer»

Correct option is (B) 20 m

Given: Frequency f1 = 6MHz 

Frequency f2 = 10MHz

\(\lambda_1 = \frac c{f_1}\)

\(\lambda_2 = \frac{c}{f_2}\)

Wavelength bandwidth = \(\lambda_2\)\(\lambda_1\) = 20 m



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