Question

by closing the eyes and gently presing by your palm,you may see some specks of brilliant light.how do you get this sensation while there is no light entering your eyes

Answer 1

Answer:

If we look at a bright object and then close our eyes, the sensation of light persists for a short period. This is known as persistence image or the after image. It lasts for one-tenth of a second. Therefore by closing the eyes and gently pressing them with your palms, you see some specs of brilliant light.

Explanation:

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