Why in a. c. Train. From Windows we are able to see outside from inside but not inside from outside.
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Darshan2811
They are translucent glasses. they work on the intensity of light on both sides.the side which has more intensity of light is visible from the other side and the other side is not visible
Answers & Comments
they work on the intensity of light on both sides.the side which has more intensity of light is visible from the other side and the other side is not visible