Author Question: State the law of conservation of electric charge. What will be an ideal ... (Read 75 times)

littleanan

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State the law of conservation of electric charge.
 
  What will be an ideal response?

Question 2

A meniscus lens is made with the radius of curvature of the convex surface being 25.0 cm and the concave surface 45.0 cm. If the glass used has index of refraction 1.50, what is the focal length of this lens?
 
  A)
 
  -32 cm
  B)
 
  32 cm
  C)
 
  113 cm
  D)
 
  67.5 cm
  E)
 
  -113 cm



leannegxo

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Answer to Question 1

The net amount of electric charge produced in any process is zero.
or
No net electric charge can be created or destroyed.

Answer to Question 2

C



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