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Q. Given figure shows two plane mirrors and an object $O$ placed between them. What will be distance of the first three images from the mirror $M_{2}$ ?Physics Question Image

Ray Optics and Optical Instruments

Solution:

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$I_{1}$ is the image of $O$ in $M_{2} . I_{2}$ is the image of $O$ in $M_{1} . I_{3}$ is the image of $I_{1}$ in $M_{1}$. The distance of three images from $M_{2}$ are $2\, cm , 18\, cm , 22\, cm$ respectively.