Single Answer MCQ
Q-00106619
A convex mirror has a radius of curvature of 2m. What is its focal length?
1
+1 m
2
-1 m
3
+2 m
4
-2 m
Answer and Solution
Answer
A. +1 m
Solution:
The formula for the focal length states that f = R/2. Thus, for a radius of curvature of +2 m (since it's a convex mirror), f = +2/2 = +1 m.
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