3. Radius of curvature of a concave mirror is 25 cm. What is focal length?
Answers
Answered by
2
Answer:
We know that __
f= R/2
by using this Formula .
f = 12.5 cm
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Answered by
0
Answer:
f=12.5
Explanation:
f=R/2
f=25/2
f=12.5
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