Two lenses of power 3 and 1 dioptres are placed in contact The focal length of the combined lens is (a) 100 cm (b) 25 cm (c) 50 cm (d) 30 3 cm Two lenses of power 3 and 1 dioptres are placed in contact The focal length of the combined lens is (a) 100 cm (b) 25 cm (c) 50 cm (d) 30 3 cm...

Two lenses of power +3 and -1 dioptres are placed in contact. The focal length of...

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Physics

ISBN: 978-0321976444

5th edition

Authors: James S. Walker

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Posted Date: Dec 28, 2022 03:19 AM

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Two lenses of power +3 and -1 dioptres are placed in contact. The focal length of...

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Two lenses of power +3 and -1 dioptres are placed in contact. The focal length of the combined lens is (a) 100 cm (b) 25 cm (c) 50 cm (d) 30.3 cm Two lenses of power +3 and -1 dioptres are placed in contact. The focal length of the combined lens is (a) 100 cm (b) 25 cm (c) 50 cm (d) 30.3 cm

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