Question

Between which two points of concave mirror should the object be placed so that to get a magnification of - 3 and- 0.4
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Answer 1

Answer:

The mirror table of the concave mirror. ∴ The magnification of: (a) -3, the object should be placed between the principal focus F and the centre of curvature C (b) +2.5, the object should be placed between the pole and the principal focus (F) (c) -0.4, the object should be placed beyond the centre of curvature