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

First

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Second

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third

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fourth

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Solution

The correct option is B
Second

The second image is the brightest of all.
The first image is formed by reflection at the first non-silvered surface of the mirror.
Reflection from the rear silvered surface forms the second image.
This is of maximum intensity.
Rest images are formed by internal reflection which is dim due to loss of intensity
Hence, the correct option is (B).

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