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Author Question: An object is held at a distance of 18 cm from a convex mirror creating an image that is 1/6 the ... (Read 90 times)

tfester

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on: Jul 28, 2018
An object is held at a distance of 18 cm from a convex mirror creating an image that is 1/6 the object size. What is the focal length of the mirror?
 a. -3.6 cm
  c. -6.0 cm
  b. -18 cm
  d. -9.0 cm

Question 2

The surface of the Sun has a temperature of about 5800 K. If the radius of the Sun is 7  108 m, determine the power output of the sun. (Take e = 1, and s = 5.67  10-8 W/m2  K4).
 a. 3.95  1026 W
  c. 9.62  1028 W
  b. 5.17  1027 W
  d. 6.96  1030 W


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aliotak

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

A

Answer to Question 2

A


tfester

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Reply #2 on: Jul 28, 2018
Thanks


aliotak

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Reply #3 on: Jul 28, 2018
Welcome :)


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