Summary of mirrors and lenses . Whether or not this lake is the same at heart as the mirror, the poem moves on to show what the lake is reflecting: a woman. If s is the source distance, i is the image distance, R is the radius of curvature, and f is the … Sylvia Plath chooses a simple everyday object, ‘a mirror’ in her … Mirror by Sylvia Plath: Poem Summary & Analysis Read More » The poem is written from the perspectives of two entities: a mirror and a lake, and the piece stands for the ideas of honesty, truth, and neutrality. Because she's looking in a lake and not a mirror, the woman must bend over to see the reflection of her face. The mirror/lens equation: The magnification equation(s): SIGN CONVENTIONS: For a mirror or lens, the light rays come into the optical device from one side; let’s call this the “IN” side. With this book, M.H. With mirrors, Sides A and B are identical. The light rays leave the mirror or lens on the “OUT” side. Let Side A of an optical component be the side from which light starts, and let Side B be the side to which light travels. This book gives many factual information about how light is created and it also gives students information about how light affects shadows, mirrors, and even rainbows. Mirror by Sylvia Plath Introduction: Mirror is a free verse written by the American poet Sylvia Plath. Where the neo-classicists saw ART AS A MIRROR, the nascent Romantic movement of the 18th century saw ART AS A LAMP- as something that came from within and shed light on the world. The Mirror and the Lamp book. Light: Shadows, Mirrors, and Rainbows by Natalie Rosinsky is a book that can be used to teach students about light. Romanticism evolved as a criticism of that metaphor, more or less. We wonder if the lake is as honest as the mirror, and if it misses the pink speckled wall. We studied how light is affected by optical elements such as lenses and mirrors. Read 22 reviews from the world's largest community for readers. This is even true for curved mirrors. When light is reflected by a mirror, the reflected beam is related to the incident beam by a geometrical relationship: the angles the two beams make with the mirror are the same.