The rays are incident on the concave mirror Parallel and converging at 20cm. on the principle axis . then the
radius of curvature of the mirror is?
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Answered by
2
Answer:
Parallel rays converge at focus
focal length=20cm
radius of curvature=2xfocal length=40cm
Answered by
2
Answer:
given focal length =20
then, radius of curvature of mirror is 40
Explanation:
radius of the curvature =double of focal length...
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