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Author Question: One ampere one second is a unit of a. power. b. current. c. voltage. d. electric charge. e. ... (Read 116 times)

ap345

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on: Jul 28, 2018
One ampere  one second is a unit of
 a. power.
  b. current.
  c. voltage.
  d. electric charge.
  e. resistance.

Question 2

Monochromatic light ( = 500 nm) is incident on a soap bubble (n = 1.4) that is 500-nm thick. Calculate the change of phase of the light that penetrates the front surface, reflects from the second surface, and emerges through the first surface as an angle between 0 and 360?
 a. 280
  b. 160
  c. 220
  d. 100
  e. 290


nguyenhoanhat

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Reply #1 on: Jul 28, 2018
Answer to Question 1

d

Answer to Question 2

e


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ap345

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Reply #2 on: Jul 28, 2018
Both answers were spot on, thank you once again


nguyenhoanhat

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Reply #3 on: Jul 28, 2018
Great! Please up vote :D


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