Question

The length of antenna to transmit waves of $1MHz$ will be

• A. 3 m
• B. 15 m
• C. 30 m
• D. 300 m

Answer 1

Answer: (D)

Length of the antenna required to transmit the full wave is given by
$L=\frac{c}{v}=\frac{3\times 10^8}{1\times 10^6}$
$=3\times 10^2=300m$