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A radio announcer's voice is transmitted via radio waves a distance of 469.06 km. How much time, in microseconds, will it take to transmit the wave over this distance?

User Dgorti
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1 Answer

15 votes
15 votes

Assuming the wave is being transmitted on the vacuum, we know that the velocity of an electromagnetic wave on vacuum is c. We can use the following relation:


v=(\lambda)/(T)\Rightarrow T=(\lambda)/(c)=(469.06*10^3)/(3*10^8)=1.5635ms=1563.5\mu s

Thus, our final answer is T=1563.5us

User Irpbc
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