History, asked by sayeedkhatoon07, 5 months ago

5. i. State the relation between the focal length and the
radius of curvature.
il. How many rays should be taken to conveniently draw a
ray diagram
(1

Answers

Answered by Sk218

3

Answer:

R=2f

Explanation:

in concave mirror there are 5 or 6 ways

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