関連ワード:
image distance in convex lens is negative or positive image distance in concave lens is negative or positive image distance of convex lens is always negative or positive image distance in convex lens is taken positive or negative image distance of concave lens is always negative or positive image distance of convex lens is positive or negative class 10 is image distance negative in convex mirror sign of image distance in convex lens why object distance is negative in convex lens
