If focal length is 20 cm then what is the radius of curvature of mirror?
Answers
Answered by
5
Answer:
F=20cm.
Then radius of curvature=2F
=2(20)
=40cm
Answered by
5
Answer:
f=20 cm
r=2f
=2(20)
=40
radius of the curvature is 40cm.......
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