Question

An AM station broadcasts at 1290 kHz. Calculate the wavelength of this radio frequency.

Answer 1

Answer:

$Wavelength=232.56\ m$

Explanation:

The relation between frequency and wavelength is shown below as:

$c=frequency\times Wavelength$

c is the speed of light having value $3\times 10^8\ m/s$

Given, Frequency = 1290 kHz = $1290\times 10^{3}\ Hz$  (As 1 kHz = 1000 Hz )

Thus, Wavelength is:

$Wavelength=\frac{c}{Frequency}$

$Wavelength=\frac{3\times 10^8}{1290\times 10^{3}}\ m$

$Wavelength=232.56\ m$