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The radius of curvature of a spherical mirror is 20cm.What is its focal lengtg?
Most Upvoted Answer
The radius of curvature of a spherical mirror is 20cm.What is its foca...
As per the relation between radius of curvature and focal length :-
2f = R

R= 20 cm
:. f = R/ 2
f= 20/ 2
f = 10 cm
:)
Community Answer
The radius of curvature of a spherical mirror is 20cm.What is its foca...
R=20
f=?
so,
2f=R
f=20/2=10cm
so, the focal length is 10 cm
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The radius of curvature of a spherical mirror is 20cm.What is its focal lengtg?
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