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A concave mirror for face viewing has a focal length of 0.4 m. The distance at which you hold the mirror from your face in

A concave mirror for face viewing has a focal length of 0.4 m. The distance at which you hold the mirror from your face in order to see your image upright with a magnification of 5 is

(a) 0.16 m

(b) 1.60 m

(d) 0.24 m

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