If ‘f’ be focal length of a convex lens, then the minimum distance between the object and its real image is given by |
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(a) |
2.5f |
(b) |
2f |
(c) |
4f |
(d) |
f |

If ‘f’ be focal length of a convex lens, then the minimum distance between the object and its real image is given by |
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(a) |
2.5f |
(b) |
2f |
(c) |
4f |
(d) |
f |

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