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The focal length of convex lens A is 15 cm and B is 20 cm and are placed at 5 cm apart. Rays from an object at infinity falls on lens A. Find the magnitude of image distance from lens A. |
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Answer» The focal length of convex lens A is 15 cm and B is 20 cm and are placed at 5 cm apart. Rays from an object at infinity falls on lens A. Find the magnitude of image distance from lens A. |
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