2021 EBS올림포스전국연합학력평가기출문제고1 16강 썸네일형 리스트형 2021 EBS올림포스전국연합학력평가기출문제고1(16강1~3) Mirrors and other smooth, shiny surfaces reflect light. We see reflections from such surfaces because the rays of light form an image on the retina of our eyes. Such images are always reversed. Look at yourself in a mirror, wink your right eye and your left eye seems to wink back at you. You can use a mirror to send a coded message to a friend. Stand a mirror upright on the table, so that a piec.. 더보기 이전 1 다음