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Answer to Question #52722 in Optics for Atooki Yunus

Question #52722
The focal length of a curved mirror is ---------- the radius of the spherical surface
a)twice
b)equal to
c)half
d)one-quarter
Expert's answer
Answer:
Bythe definition, the focal length of a curved mirror is half  the radius of curvature of the mirror.So, the correct answer is c) half.

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