Below you can find the A plano-convex lens has 1 side that's convex & 1that's this shape Jeopardy Words Answer. The answer to A plano-convex lens has 1 side that's convex & 1that's this shape has 4 letters. This clue belongs to the Optics category and is part of Jeopardy Word Level 112. If you scroll near the bottom you will find other clues and answers part of level 112