1.

An object is placed 20 cm in front of a plane mirror. The mirror is moved 2 cm towards the object. The distance between the positions of the original and final images seen in the mirror is : (a) 2 cm (b) 4 cm (c) 10 cm (d) 22 cm

Answer»

An object is placed 20 cm in front of a plane mirror. The mirror is moved 2 cm towards the object. The distance between the positions of the original and final images seen in the mirror is : (a) 2 cm (b) 4 cm (c) 10 cm (d) 22 cm



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