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Author Question: FM radio only operates in the frequency range 88 MHz to 108 MHz because a. higher or lower ... (Read 40 times)

P68T

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on: Jul 28, 2018
FM radio only operates in the frequency range 88 MHz to 108 MHz because
 a. higher or lower frequencies are blocked by the ionosphere
  b. higher and lower frequencies are not radio waves
  c. the government set those limits
  d. none of the above

Question 2

The type of EM radiation that causes your skin to tan is
 a. ultraviolet
  b. infrared
  c. x rays
  d. microwave
  e. gamma rays


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ngr69

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

C

Answer to Question 2

A


P68T

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Reply 2 on: Jul 28, 2018
Great answer, keep it coming :)

xiazhe

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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