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Author Question: A distance R away from a light source we observe which of the following for the electromagnetic ... (Read 45 times)

joblessjake

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on: Jul 29, 2018
A distance R away from a light source we observe which of the following for the electromagnetic field it produces?
 
  A) Both the light intensity and the magnitude of the electric field drop as 1/R2.
  B) The light intensity drops as 1/R2, but the magnitude of the electric field drops as 1/R.
  C) Both the light intensity and the magnitude of the electric field drop as 1/R.
  D) The light intensity drops as 1/R, but the magnitude of the electric field drops as 1/R2.
  E) None of the previous answers is correct.

Question 2

Two similar objects are thrown simultaneously from the top of a building with the same speed. One is thrown vertically downward, and the other at an angle. Both objects reach the ground at the same time.
 
  Indicate whether the statement is true or false


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hollysheppard095

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Reply #1 on: Jul 29, 2018
Answer to Question 1

B

Answer to Question 2

FALSE


joblessjake

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Reply 2 on: Jul 29, 2018
Gracias!

cpetit11

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Reply 3 on: Yesterday
Wow, this really help

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