A radio transmitter emits waves of frequency that are found to have a wavelength of…

PHYSICS · Single correct · CBSE · Physics · Waves · Waves

Problem

A radio transmitter emits waves of frequency

1.2\,\text{MHz}

that are found to have a wavelength of

250\,\text{m}

at a receiving station. Determine the speed of these radio waves expressed in

\text{km h}^{-1}

. (a)

3.0\times10^{5}\,\text{km h}^{-1}

(b)

1.08\times10^{8}\,\text{km h}^{-1}

(c)

1.08\times10^{9}\,\text{km h}^{-1}

(d)

1.08\times10^{7}\,\text{km h}^{-1}