Question

30. A radio transmitter broadcasts at 120 MHZ
The wavelength of the electromagnetic
radiation emitted by the transmitter
(a) 1.2 m
(b) 30 m
(c) 3 m
(d) 2.5 m​

Answer 1

Answer:

Explanation:

n = 120000

v=nλ

λ= 3*10^8/ 12*10^6

= 2.5m