Art, asked by aishaaisu, 4 months ago

The focal length of a convex mirror is 20 cm and a convex mirror is 30 cm. If they form aromatic doublet what is its effective focal length

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Answered by alamannoushad

1

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Explanation:

The focal length of a convex mirror is 20 cm and a convex mirror is 30 cm. If they form aromatic doublet what is its effective focal length

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