the radius of curvature of a spherical mirror is 20cm. what is its focal length
Answers
Answered by
1
Answer:
10cm
Explanation:
as we know that focal length is half of the radius of curvature
Answered by
4
heyyya buddy your required answer is 10 cm
R = 2f
f= R/2
f = 20/2
f= 10
hope my answer helps you
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