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Author Question: An electron moving in the +y direction, at right angles to a magnetic field, experiences a magnetic ... (Read 112 times)

jeatrice

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on: Jul 29, 2018
An electron moving in the +y direction, at right angles to a magnetic field, experiences a magnetic force in the -x direction. The direction of the magnetic field is in the
 
  A) -x direction.
  B) +x direction.
  C) +y direction.
  D) -z direction.
  E) +z direction.

Question 2

The power of a lens is 4.0 diopters and its diameter is 5.0 cm. What is the focal length of this lens?
 
  A) 25 cm
  B) 55 cm
  C) 10 cm
  D) 0.25 cm
  E) 2.5 cm
Physics ¦ Walker ¦ 5th Edition
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macagn

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

E

Answer to Question 2

A


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