2. The radius of curvature of a spherical mirror is 20 cm. What is its focal length?
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Answered by
21
Answer:
The focal length of a spherical mirror is always halfway between the center and focus. This means that the focal length is half the radius of curvature.
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Answered by
1
Answer:
10 cm
Explanation:
f = R/2
= 20/2 = 10 cm
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