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Author Question: A candle is 49.0 cm in front of a concave spherical mirror of radius of curvature 70.0 cm. What are ... (Read 160 times)

asd123

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on: Jul 28, 2018
A candle is 49.0 cm in front of a concave spherical mirror of radius of curvature 70.0 cm. What are the image distance and the magnification, respectively?
 a. -20.4 cm, +0.417
  c. +20.4 cm, -0.417
  b. +122.5 cm, -2.50
  d. +122.5 cm, +2.50

Question 2

Carbon dioxide and water molecules in the atmosphere will absorb:
 a. infrared light.
  c. ultraviolet light.
  b. visible light.
  d. radio waves.


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djpooyouma

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

B

Answer to Question 2

A


asd123

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Reply #2 on: Jul 28, 2018
Both answers were spot on, thank you once again


djpooyouma

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Reply #3 on: Jul 28, 2018
Great! Please up vote :D


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