1.

If a magnification of, -1 is to be obtained by using a converging lens of focal length 12 cm, then the object must be placed : (a) within 12 cm (b) at 24 cm (c) at 6 cm (d) beyond 24 cm

Answer»

If a magnification of, -1 is to be obtained by using a converging lens of focal length 12 cm, then the object must be placed : (a) within 12 cm (b) at 24 cm (c) at 6 cm (d) beyond 24 cm



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