Ray Optics – 5

Ray Optics » Exercise – 1

5. A concave mirror has radius of curvature of 0.2 m its focal length is :

(a) -0.2 m
(b) -0.1 m
(c) 0.1 m
(d) 0.2 m

Answer
Answer : (b)

Explanation
Explanation : No answer description available for this question. Let us discuss.
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