Question : How tallmust a full-length mirror be? A woman 1.60 m tall stands in f

Question

Question : How tallmust a full-length mirror be? A woman 1.60 m tall stands in front of a vertical planemirror. What is the minimum height of the mirror, and how closemust its lower edge be to the floor, if she is to be able to seeher whole body? Assume her eyes are 10 cm below the top of herhead. Hint: Draw a diagram and consider that light rays coming fromthe top of her headand the bottom of her feet must reach hereyes. Question : How tallmust a full-length mirror be? A woman 1.60 m tall stands in front of a vertical planemirror. What is the minimum height of the mirror, and how closemust its lower edge be to the floor, if she is to be able to seeher whole body? Assume her eyes are 10 cm below the top of herhead. Hint: Draw a diagram and consider that light rays coming fromthe top of her headand the bottom of her feet must reach hereyes.

Explanation / Answer

if we consider the height upto eyes the height =1.50m there is a rule whatever might be the position of the object to seethe full image the size of the mirror should be half of the height, hence the minimum height of the mirror should be 1.50/2=0.75m

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