A radio transmitting station operating at a frequency of has two identical antennas…

PHYSICS · Subjective · A Level · Physics · Waves · Waves

Problem

A radio transmitting station operating at a frequency of

120\,\text{MHz}

has two identical antennas that radiate in phase. Antenna

B

9.00\,\text{m}

to the right of antenna

A

. Consider point

P

between the antennas and along the line connecting them, a horizontal distance

x

to the right of antenna

A

. For what values of

x

will constructive interference occur at point

P