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Author Question: Two parallel rays (also parallel to the optic axis) reflect from a concave mirror. They intersect at ... (Read 28 times)

rayancarla1

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on: Jul 27, 2018
Two parallel rays (also parallel to the optic axis) reflect from a concave mirror. They intersect at
 
  A) the center of curvature.
  B) the focal point.
  C) a point behind the mirror.
  D) infinity.

Question 2

At which of the following temperatures would we expect gas molecules to have half the energy that they have at 100.C?
 
  A) 93. K
  B) 50.C
  C) -86.C
  D) -56.C
  E) 323. K


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sultansheikh

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Reply #1 on: Jul 27, 2018
Answer to Question 1

B

Answer to Question 2

C


rayancarla1

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Reply 2 on: Jul 27, 2018
:D TYSM

AmberC1996

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Reply 3 on: Yesterday
Excellent

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