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Author Question: The proper abbreviation for kilohertz' is kHz.' Indicate whether the statement is true or ... (Read 93 times)

jessicacav

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The proper abbreviation for kilohertz' is kHz.'
  Indicate whether the statement is true or false

Question 2

The penumbra caused by an extended light source, as seen in this figure, results from what?
 a. The superposition of images from point light sources spread throughout the region covered by the extended source.
  b. The poorer quality light source in the right hand figure.
  c. The image of the extended light source on the screen.
  d. Scattered light from other nearby objects.
  e. Light leaking into the room from outside sources.



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cswans24

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Answer to Question 1

T

Answer to Question 2

a





 

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