The focal length of a concave mirror is 18 cm. Find its radius of curvature
Answers
Answered by
13
Answer:
formula is :
r=f/2
r=9
Step-by-step explanation:
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Answered by
2
Answer:
9 cm
Step-by-step explanation:
Radius of curvature = 18
Focal length = 1/2 ( radius of curvature)
= 1/2× 18
= 9 cm
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