The focal length of a mirror is always equals to
a) f=2R ) =R/2 c)f=4R d) f=R/4
Answers
Answered by
1
Answer:
b) f=R/2
Explanation:
It is since focal length of a mirror is half of the radius if the mirror
Answered by
0
Answer:
b) f = R/2
Explanation:
The radius of curvature is twice the focal length .
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