The radius of curvature of a spherical mirror is 20cm.
what is it's focal length
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Answered by
1
R=2f
=>20=2f
=>f=20/2
=>f=10
=>20=2f
=>f=20/2
=>f=10
Answered by
0
r=20 cm (given)
w.k.t
r=2f
20=2f
f=20/2
f=10 cm
w.k.t
r=2f
20=2f
f=20/2
f=10 cm
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