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Author Question: A liquid has a specific gravity of 0.68. What is its density? A) 680 kg/m3 B) 1360 ... (Read 72 times)

genevieve1028

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on: Jul 29, 2018
A liquid has a specific gravity of 0.68. What is its density?
 
  A)
 
  680 kg/m3
 
  B)
 
  1360 kg/m3
 
  C)
 
  1000 kg/m3
 
  D)
 
  6800 kg/m3

Question 2

If the lens diameter is doubled, what happens to the resolvable angle of images produced at fixed wavelength?
 
  A)
 
  The angle decreases by a factor of two.
  B)
 
  The angle increases by a factor of two.
  C)
 
  The angle decreases by a factor of four.
  D)
 
  The angle increases by a factor of four.
  E)
 
  The angle stays the same.


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manuelcastillo

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

A

Answer to Question 2

A


genevieve1028

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Reply #2 on: Jul 29, 2018
Thanks


manuelcastillo

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Reply #3 on: Jul 29, 2018
Welcome :)


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