Question

The minimum length of antenna (in m) required to transmit a radio signal of frequency 15 MHz is​

Answer 1

Answer:

v = 15 MHz = 15 × 10^6 Hz

Lambda = c/v = 3 × 10^8 / 15 × 10^6 = 20 m

Minimum length of antenna is Lambda/4 = 20/4 = 5 m