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Author Question: The source of magnetism is a. polarization. b. magnetic monopoles. c. electrons. d. ... (Read 41 times)

PhilipSeeMore

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on: Jul 28, 2018
The source of magnetism is
 a. polarization.
  b. magnetic monopoles.
  c. electrons.
  d. protons.

Question 2

A concave mirror has a focal length of 20 cm. What is the magnification if the object and image distances are 10 cm and 20 cm respectively?
 a. 1
  b. 2
  c. 1/2
  d. 1/4
  e. 1/2


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gabrielle_lawrence

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

c

Answer to Question 2

b


PhilipSeeMore

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

Alyson.hiatt@yahoo.com

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Reply 3 on: Yesterday
Gracias!

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