A thick plane mirror forms a multiple number of images, out of which the second image formed is the brightest. Why is the second image the brightest one?
Answers
Answer:
Explanation:
On drawing on paper, the 1st and the second refracted rays are drawn apart.
But, in reality, the 1st refracted ray and the 2nd refracted ray enter the eye simultaneously. The other refractions slowly get farther and farther apart due to multiple refractions suffered and on refraction enter the eye in different points. Hence, the second refraction is the greatest due to the fact that it is combined with the 1st refracted ray too!
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But, you see, the 1st refracted ray is not the brightest as when viewed, if we are going to talk individually about the different rays of light, it is not seen with any other ray, unlike the 2nd refraction.
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