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Author Question: An object is 50 cm from a concave mirror of radius of curvature of magnitude 60 cm. How far is the ... (Read 52 times)

OSWALD

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on: Jul 29, 2018
An object is 50 cm from a concave mirror of radius of curvature of magnitude 60 cm. How far is the image from the mirror?
 
  A) 19 cm
  B) 35 cm
  C) 60 cm
  D) 75 cm
  E) 120 cm

Question 2

When a person stands 40 cm in front of a cosmetic (concave) spherical mirror, the upright image is twice the size of the object. What is the focal length of the mirror?
 
  A) 27 cm
  B) 40 cm
  C) 80 cm
  D) 160 cm


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FergA

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Reply #1 on: Jul 29, 2018
Answer to Question 1

D

Answer to Question 2

C


OSWALD

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Reply 2 on: Jul 29, 2018
Gracias!

juliaf

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

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