Question

A radio can tune to any station in the 7.5 mHz to 12 MHz band. What is corresponding wave length band.

विकल्प

• 49 m, 50 m

• 42 m, 93 m

• 25 m, 40 m

• 12 m, 48 m

Answer 1

25 m, 40 m

Explanation:

`lambda_1 = (3 xx 10^8)/(7.5 xx 10^6)` = 40 m

And `lambda_2 = (3 xx 10^8)/(12 xx 10^6)` = 25 m