Why we cannot see object in Dark night
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The optical nerve connected to the retina carries the image signal into the brain which resizes the image and helps us to view the object. During darkness, no reflected light will fall on the retina. Hence, no image will be formed by eye. That's why we can not view any object.
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In dim light the pupils dilate to allow as much light in as possible. ... The cones are responsible for color vision but they need plenty of light to activate. That is why in dim light conditions you could recognize an object but failed to detect its color.
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