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Frequency question

  • Thread starter SAT2400
  • Start date
  • #1
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URGENT!!!! Frequency question

Homework Statement


A radio antenna for an AM station is 75m high tower that is equivalent to lamda/4; another lamda/4 corresponds to ground reflection. At what frequency does the station transmit?


Homework Equations


v=f(lamda)
E=cB

The Attempt at a Solution



Actually, I am not sure what equation to use!?

Please help..I think it's a simple question if i know the equation
 

Answers and Replies

  • #2
rl.bhat
Homework Helper
4,433
5


What is the velocity of radio waves?
Use the relevant equation to find f.
 
  • #3
69
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THe answer is 1M Hz..v=f lamda
is not the right equation to use?
 
  • #4
rl.bhat
Homework Helper
4,433
5


The formula is correct. In the problem wavelength λ = 2*150m. What is the velocity of radio waves?
 

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