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Author Question: An electromagnetic wave is made up of which of the following oscillating quantities? a. magnetic ... (Read 45 times)

naturalchemist

  • Hero Member
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  • Posts: 542
on: Jul 28, 2018
An electromagnetic wave is made up of which of the following oscillating quantities?
 a. magnetic fields only
  c. electric and magnetic fields
  b. electrons only
  d. electric fields only

Question 2

What is the lowest frequency that will resonate in an organ pipe 1.00 m in length, closed at one end? The speed of sound in air is 340 m/s.
 a. 42.5 Hz
  c. 170 Hz
  b. 85.0 Hz
  d. 680 Hz


aham8f

  • Sr. Member
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  • Posts: 336
Reply #1 on: Jul 28, 2018
Answer to Question 1

C

Answer to Question 2

B


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