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Author Question: A light beam is incident upon a still water surface. What is the maximum possible value for the ... (Read 93 times)

pepyto

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on: Jul 28, 2018
A light beam is incident upon a still water surface. What is the maximum possible value for the angle of refraction? (nwater = 1.333).
 a. 76.2
  c. 54.4
  b. 67.5
  d. 48.6

Question 2

The thermal expansion of a solid is caused by:
 a. the breaking of bonds between atoms.
  b. increasing the amplitude of the atoms' vibration.
  c. increasing the distance between equilibrium positions for the vibrating atoms.
  d. all of the above.


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frankwu0507

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

D

Answer to Question 2

C


pepyto

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Reply 2 on: Jul 28, 2018
Excellent

laurnthompson

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Reply 3 on: Yesterday
Wow, this really help

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