the radius of curvature of a spherical mirror is 20cm. what is its focal length?
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Answered by
3
R=2f
f=R/2
f=20/2
f=10
is the focal length of the spherical mirror
f=R/2
f=20/2
f=10
is the focal length of the spherical mirror
Answered by
4
if radius is 20cm ,then focus=half of radius
so,it is 20/2=10.
the distance between the focus and pole of the mirrror is called focal length.
so,focal length=10cm
so,it is 20/2=10.
the distance between the focus and pole of the mirrror is called focal length.
so,focal length=10cm
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