Question

An object placed 3 m from a plane mirror is shifted by 0.4 m away from the mirror. What is the new distance between the object and its image
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Answer 1

Answer:

distance of object from mirror=distance of image from mirror

so distance between object and image=distance of object from mirror+distance of image from mirror

=2 x distance of object from mirror

=2 x (3+0.4)m

=2 x (3.4)m

=6.8 m

Explanation:

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