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Author Question: Diamond has an index of refraction of 2.419 . What is the critical angle for internal reflection ... (Read 50 times)

panfilo

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on: Jul 28, 2018
Diamond has an index of refraction of 2.419 . What is the critical angle for internal reflection inside a diamond that is in air?
 a. 48.8
  c. 24.4
  b. 131
  d. 155

Question 2

What happens to its moment of inertia when a steel disk is heated?
 a. It increases.
  b. It decreases.
  c. It stays the same.
  d. It increases for half the temperature increase and then decreases for the rest of the temperature increase.


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covalentbond

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

C

Answer to Question 2

A


panfilo

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Reply 2 on: Jul 28, 2018
Great answer, keep it coming :)

shewald78

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Reply 3 on: Yesterday
Wow, this really help

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