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(C) thick plane mirror consists of a silvered back surface and a front glass surface. When light falls on the mirror,a small portion of it is reflecte

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(C) thick plane mirror consists of a silvered back surface and a front glass surface. When light falls on the mirror,a small portion of it is reflected from the front surface (first reflection),while the majority of the light enters the glass,reflects from the silvered back surface,and exits through the front surface (second reflection). Because the reflection from the silvered back surface involves a much larger amount of light compared to the partial reflection from the front glass surface,the second image is the brightest of all the images formed.

Multiple images are formed by a thick plane mirror. Which of the following is the brightest of all the images?

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