Author Question: The perpendicular distance from the center of curvature to a spherical mirror is called A) the ... (Read 11 times)

OSWALD

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The perpendicular distance from the center of curvature to a spherical mirror is called
 
  A) the center of curvature.
  B) the radius of curvature.
  C) the focal length.
  D) the perpendicular axis.
  E) twice the radius of curvature.

Question 2

What is the surface temperature of a star, given that its radiation peak occurs at a frequency of 1.06  1015 Hz?
 
  A) 17,000 K
  B) 14,500 K
  C) 19,000 K
  D) 20,400 K
  E) 18,000 K



bdobbins

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Answer to Question 1

B

Answer to Question 2

E



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