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Author Question: Which one of the following predicted the existence of electromagnetic waves and proposed that ... (Read 51 times)

michelleunicorn

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on: Jul 28, 2018
Which one of the following predicted the existence of electromagnetic waves and proposed that visible light was a form of electromagnetic energy?
 
  A. Hans Christian Oersted
  B. Michael Faraday
  C. James Clerk-Maxwell
  D. Andr Ampre

Question 2

The highest frequency that is returned to Earth when transmitted vertically under given ionospheric conditions is called the ____________.
 
  A. critical angle
  B. maximum usable frequency
  C. critical frequency
  D. optimum working frequency


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SomethingSomething

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

C

Answer to Question 2

C


michelleunicorn

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Reply 2 on: Jul 28, 2018
Thanks for the timely response, appreciate it

diana chang

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Reply 3 on: Yesterday
Gracias!

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