objects present in the dark room are not visible. but when the light is switched on,everything present in the room becomes visible. why does this happen?
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The light rays falls on the object and are refracted in the eye, which makes the object visible.
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when light reflected from the surface of object and it falls in our eyes the image is form at ratina which is read by our brain and like that we see the object
roll of cillary muscles
it contract or relax according to need when suddenly come inside high intense light we see object not well it is due to the contraction and relaxation of cillery muscles
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