Question
Download Solution PDFSita, 1.5 m high, stands before a plane mirror fixed on a wall to view her full image. What should be the minimum height of the plane mirror so that Sita can view her image fully?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFThe correct answer is 0.75 m.
Key Points
- To see one's full image in a vertical plane mirror, a person's eye level must be at the halfway point between the top and bottom of the mirror.
- This means that the minimum height of the mirror should be half of the height of the person.
- This way, the complete image of the person will be visible in the mirror.
- Height of Sita is 1.5 meters
- The mirror's height should be 1.5/2 = 0.75 m
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