Question

Give scientific reasons


1) If the page of a book is held in front of a mirror, laterally inverted letters are seen in the mirror.​

Answer 1

The explanation is given below:

Property of a plane mirror is to laterally invert the images of the object  because it reflects the light coming from the object in front of it. If we hold the page of the book against a surface and let the letters print on the surface, essentially the letters of the page printed on the surface will be laterally inverted. Same thing also happens when we hold the book in front of the mirror.

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Answer 2

If the page of a book is held in front of a mirror, laterally inverted letters are seen in the mirror due to the lateral inversion offered by the mirror.

• Let us understand that what is meant by lateral inversion, when light rays travel from the left side of the book to the mirror, they get reflected back to the and are incident on the right eye.
• While the light rays that travel from the right side of the book to the mirror, get reflected back and are incident on the left eye due to which the letters seem to be laterally inverted.