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Author Question: A mirror with a focal length -25 cm has a 4.0 cm tall object placed 100 cm in front of it. What is ... (Read 50 times)

nenivikky

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  • Posts: 516
on: Jul 27, 2018
A mirror with a focal length -25 cm has a 4.0 cm tall object placed 100 cm in front of it. What is the position of the image?
 
  A) 20 cm behind the mirror
  B) 25 cm behind the mirror
  C) 100 cm in front of the mirror
  D) 25 cm in front of the mirror
  E) 20 cm in front of the mirror

Question 2

The last ice age ended about
 
  A) 65 million years ago
  B) 35 million years ago
  C) 10,000 years ago
  D) 100,000 years ago


abctaiwan

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

A

Answer to Question 2

C


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