Optics – KMK (A+ GUARANTEED)

Vergence: T or F: divergence is negative correct answers True! Divergence has negative vergence. (-) L corresponds to what kind of object? correct answers Real object (-) L' corresponds to what kind of image? correct answers Virtual image. If a light leaves a lens converging, what kind of image will it produce? correct answers Real image Concave and convex surface doesn't matter which way light is traveling. Concave interface will wrap around what kind of medium: a. Higher index medium b. Lower index medium correct answers b. Lower index medium. "think of waking into a cave, it curves around air, with is a lower index." What kind of lens is illustrated on the back of this flashcard, concave or convex? (located in air) correct answers Bi-Convex What kind of lens is illustrated on the back of this flashcard, concave or convex? (located in air) correct answers Bi-Concave Why do we care whether or not a lens is concave or convex? Answer: It will tell us what will happen to light. What does a concave lens always do to light? a. Diverge b. Converge correct answers a. Diverge -A concave surface is always diverges light What does a convex lens always do to light? a. Diverge b. Converge correct answers Converging What is the equation for the power of the lens? correct answers F = (n2- n1) / r