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The focal length of a concave mirror is 20 cm. What is its radius of curvature?

tankster

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The focal length of a concave mirror is 20 cm. What is its radius of curvature?

The focal length of a concave mirror is 20 cm. What is its radius of curvature?
A) 10 cm
B) 40 cm
C) -40 cm
D) 20 cm
E) -20 cm

Textbook

Physics

Physics

Edition: 4^th

Author: Walker

Read 93 times

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mtown88

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tankster Author

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7 years ago

Smart ... Thanks!

acaruso

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Yesterday

Correct

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54321abs

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Thanks for your help!!

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