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Author Question: A convex mirror with a focal length of -20 cm forms an image 12 cm behind the surface. If the object ... (Read 103 times)

storky111

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on: Jul 28, 2018
A convex mirror with a focal length of -20 cm forms an image 12 cm behind the surface. If the object height is 1.2 cm what is the image height?
 a. 0.30 cm
  c. 0.94 cm
  b. 0.48 cm
  d. 3.0 cm

Question 2

In winter, light-colored clothes will keep you warmer than dark-colored clothes if:
 a. you are warmer than your surroundings.
  b. you are at the same temperature as your surroundings.
  c. you are cooler than your surroundings.
  d. you are standing in sunlight.


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JaynaD87

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

B

Answer to Question 2

A


storky111

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Reply 2 on: Jul 28, 2018
Wow, this really help

Viet Thy

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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