Author Question: Which produces an interference pattern when directed through two suitably spaced slits? A) light ... (Read 63 times)

clippers!

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Which produces an interference pattern when directed through two suitably spaced slits?
 
  A) light
  B) sound
  C) electrons
  D) all of the above
  E) none of the above

Question 2

The power of a lens is 4.0 diopters. What is the focal length of this lens?
 
  A) 25 cm
  B) 55 cm
  C) 40 cm
  D) 20 cm
  E) 60 cm



Benayers

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Answer to Question 1

Answer: D

Answer to Question 2

A



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