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Student Question

Secondary V • 1yr.

Hi!

How come when I have writing on my sweater and I look at myself in the mirror, I see the writing backwards?

Thank you for your time: D

Physics
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Explanations (1)

  • Explanation from Alloprof

    Explanation from Alloprof

    This Explanation was submitted by a member of the Alloprof team.

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    Team Alloprof • 1yr.

    Hello!

    Thank you for your question 😊

    In the case of a plane mirror, which is the type of mirror we have at home, the reflection is specular and follows the laws of reflection.

    According to these, the images perform lateral rotation relative to the reflected object. This is because the rays are reflected at their angle of incidence, but on the other side of the normal.

    I hope that answers your question! Do not hesitate to come back to us if you have any other questions!