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Home Q & A Board Science-Related Homework Help Physics
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tankster tankster
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7 years ago
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: 4th
Author:
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mtown88mtown88
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7 years ago
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California State University Alumni

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tankster Author
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7 years ago
Brilliant ツ
smi3
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Yesterday
Good timing, thanks!
noodlelicker
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2 hours ago
This calls for a celebration Person Raising Both Hands in Celebration
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