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Author Question: Waves from a radio station with a wavelength of 900 m arrive at a home receiver a distance 50 km ... (Read 300 times)

mrsjacobs44

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on: Jul 28, 2018
Waves from a radio station with a wavelength of 900 m arrive at a home receiver a distance 50 km away from the transmitter by two paths. One arrives via a direct-line path and the second by reflection from a mountain directly behind the receiver. What is the minimum distance between the mountain and receiver such that destructive interference occurs at the location of the listener? Assume no phase change on reflection.
 a. 675 m
  c. 450 m
  b. 900 m
  d. 225 m

Question 2

The ideal gas law treats gas as consisting of:
 a. atoms.
  c. chemicals.
  b. molecules.
  d. bubbles.


LVPMS

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Reply #1 on: Jul 28, 2018
Answer to Question 1

D

Answer to Question 2

B


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mrsjacobs44

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Reply #2 on: Jul 28, 2018
Thank you!


LVPMS

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Reply #3 on: Jul 28, 2018
Always glad to help...


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